{"title":"GM LS\/LT Intake Manifolds","description":"\u003cp\u003eShop high-performance GM LS and LT intake manifolds designed for improved airflow, throttle response, and horsepower. Compatible with popular LS-based engines including 4.8L, 5.3L, 6.0L, and 6.2L applications, these intake manifolds are ideal for performance upgrades, street builds, and high-horsepower setups. Available in multiple finishes to match your engine bay and build style.\u003c\/p\u003e\n\u003c!--split--\u003e\n\u003cp\u003eGM LS and LT intake manifolds are a critical upgrade for modern performance builds, offering improved airflow and efficiency over factory intake designs. Whether you're working with a 5.3L, 6.0L, or 6.2L LS engine, upgrading to a high-performance intake manifold can help increase horsepower, improve throttle response, and support higher RPM performance.\u003c\/p\u003e\n\u003cp\u003eUnlike traditional carbureted setups, LS and LT engines rely on fuel injection systems, making intake manifold design especially important for optimizing air distribution and engine efficiency. Performance intake manifolds are engineered to improve airflow characteristics, supporting better combustion and overall engine output.\u003c\/p\u003e\n\u003cp\u003eCommon applications include LS1, LS2, LS3, LS6, and LS7 platforms, as well as newer LT-based engines. These intake manifolds are ideal for street performance builds, track applications, and high-performance projects looking to maximize airflow and power gains.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading a daily driver or building a high-horsepower LS swap, choosing the right intake manifold plays a major role in achieving optimal performance, drivability, and reliability.\u003c\/p\u003e\n\u003ch3\u003eShop Related LS \u0026amp; LT Components\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/ls-lt-air-and-fuel-delivery\"\u003eLS \/ LT Air \u0026amp; Fuel Delivery\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/ls-lt-heads-and-valvetrain\"\u003eLS \/ LT Heads \u0026amp; Valvetrain\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/ls-lt-engine-components\"\u003eLS \/ LT Engine Components\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/ls-lt-ignition-and-power\"\u003eLS \/ LT Ignition \u0026amp; Power\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/ls-lt-front-drive-systems\"\u003eLS \/ LT Front Drive Systems\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/ls-lt-electrical-wiring\"\u003eLS \/ LT Electrical Wiring\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Air \u0026amp; Fuel Components\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/fuel-injection\"\u003eFuel Injection Systems\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/air-filters\"\u003eAir Filters\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/fuel-pumps-and-regulators\"\u003eFuel Pumps \u0026amp; Regulators\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/valley-covers\"\u003eValley Covers\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"gm-ls-and-lt-carbon-fiber-intake-manifold-cover-lid","title":"GM LS and LT Carbon Fiber Intake Manifold Cover Lid","description":"\u003cp\u003eFor applications that need reliable intake airflow and clean engine-bay fitment, this intake manifold combines durable construction with application-focused runner and plenum design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAirflow \u0026amp; Performance Design\u003c\/strong\u003e\u003cbr\u003eThe intake runner and plenum design help support balanced airflow delivery between cylinders while maintaining stable throttle response and dependable street-driven performance. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Engine-Bay Fitment\u003c\/strong\u003e\u003cbr\u003eThe manifold construction to support long-term durability, heat management, and a clean installed appearance in demanding engine-bay environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Considerations\u003c\/strong\u003e\u003cbr\u003eProper installation requires confirming cylinder head compatibility, intake gasket alignment, carburetor or throttle-body configuration, distributor clearance, and hood clearance before final assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSystem Matching\u003c\/strong\u003e\u003cbr\u003eVerify fuel system compatibility, throttle linkage setup, vacuum routing, sensor provisions, and accessory clearance before installation. This intake manifold is intended for properly matched engine combinations.\u003c\/p\u003e\u003cb\u003eCOMPATIBLE WITH:\u003c\/b\u003e \u003cbr\u003eTSP LS GEN 3\/4 AND LT GEN 5 LOW AND HI CAST INTAKE MANIFOLDS\n\u003cp\u003eHOLLEY \u003cbr\u003e300-124 \u003cbr\u003e300-124BK \u003cbr\u003e300-126 \u003cbr\u003e300-126BK \u003cbr\u003e300-127 \u003cbr\u003e300-128 \u003cbr\u003e300-135 \u003cbr\u003e300-135BK \u003cbr\u003e300-140 \u003cbr\u003e300-141 \u003cbr\u003e300-143 \u003cbr\u003e300-227BK \u003cbr\u003e300-229 \u003cbr\u003e300-229BK \u003cbr\u003e300-236 \u003cbr\u003e300-237 \u003cbr\u003e300-241 \u003cbr\u003e300-241BK \u003cbr\u003e300-242 \u003cbr\u003e300-244 \u003cbr\u003e300-244BK \u003cbr\u003e300-273 \u003cbr\u003e300-274BK \u003cbr\u003e300-308 \u003cbr\u003e300-308BK \u003cbr\u003e300-309 \u003cbr\u003e300-310 \u003cbr\u003e300-600 \u003cbr\u003e300-600BK \u003cbr\u003e300-620 \u003cbr\u003e300-620BK \u003cbr\u003e300-624 \u003cbr\u003e300-624BK \u003cbr\u003e300-650 \u003cbr\u003e300-650BK \u003cbr\u003e300-651 \u003cbr\u003e300-651BK \u003cbr\u003e300-653 \u003cbr\u003e300-670 \u003cbr\u003e300-670BK \u003cbr\u003e300-679 \u003cbr\u003e300-679BK \u003cbr\u003e300-683 \u003cbr\u003e300-683BK \u003cbr\u003e300-710 \u003cbr\u003e300-710BK \u003cbr\u003e300-711 \u003cbr\u003e300-711BK \u003cbr\u003e300-715 \u003cbr\u003e300-715BK \u003cbr\u003e300-718 \u003cbr\u003e300-718BK\u003c\/p\u003e\n\u003cbr\u003e\u003cb\u003eCOMMON VEHICLE APPLICATIONS:\u003c\/b\u003e\u003cbr\u003eChevrolet Silverado\u003cbr\u003eGMC Sierra\u003cbr\u003eChevrolet Camaro\u003cbr\u003eChevrolet Corvette\u003cbr\u003eChevrolet Tahoe\u003cbr\u003eCTS-V\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003e\nAttachment Method: Bolt-on\u003cbr\u003e\nColor: Black\u003cbr\u003e\nFinish: Carbon Fiber\u003cbr\u003e\nGasket Or Seal Included: No\u003cbr\u003e\nIntake Manifold Type: Modular\u003cbr\u003e\nMaterial: Carbon Fiber\u003cbr\u003e\nOverall Height: 4.900 in.\u003cbr\u003e\nThrottle Body Flange: 102 mm","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49756808118568,"sku":"81601","price":962.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81601_05Black.jpg?v=1773959502"},{"product_id":"gm-ls-cathedral-port-v-series-billet-aluminum-low-rise-intake-manifold-natural","title":"GM LS Cathedral Port V Series Billet Aluminum Low-Rise Intake Manifold - Natural","description":"\u003cp\u003e\u003cspan\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral Port V Series Billet Aluminum Low-Rise Intake Manifold. Designed for GM Gen III cathedral-port LS engines, this LS billet intake manifold combines premium T-6061 billet aluminum construction, exceptional airflow capability, and a modular design that supports high-performance street, race, and LS swap applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFresh off its award-winning appearance at the 2024 SEMA Show, the V Series intake manifold was engineered to improve airflow efficiency, enhance throttle response, and deliver the performance potential serious LS enthusiasts demand. The low-rise design provides improved hood clearance for many LS swap, street performance, and restomod applications while maintaining the airflow needed for high-horsepower engine combinations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from T-6061 billet aluminum, this LS cathedral port intake manifold offers exceptional durability, premium appearance, and precise machining throughout. The modular design simplifies installation, maintenance, and future upgrades, while included custom V Series fuel rails help create a clean, professional engine bay appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're upgrading an LS1 intake manifold, building a turbocharged 5.3 LS, improving airflow on a 6.0 LS combination, or completing a custom LS swap, this billet aluminum LS intake manifold provides the airflow capacity, serviceability, and performance-focused design needed for serious street and competition builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Aluminum Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance V Series Intake Manifold is manufactured from premium T-6061 billet aluminum and engineered specifically for GM Gen III cathedral-port LS engines. Precision-machined construction provides exceptional strength, durability, and appearance while creating a premium engine bay upgrade for street and racing applications. The modular design simplifies installation, maintenance, and future modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe runner design is engineered to improve airflow efficiency and support increased engine performance across a broad RPM range. Combined with a low-rise configuration, this intake manifold delivers excellent airflow capability while helping maintain hood clearance in many LS swap and performance vehicle applications. The multi-port EFI design supports naturally aspirated and boosted engine combinations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM Gen III Cathedral Port LS Engines\u003cbr\u003e• 4.8 L \/ 293 in3\u003cbr\u003e• 5.3 L \/ 325 in3\u003cbr\u003e• 5.7 L \/ 346 in3\u003cbr\u003e• 6.0 L \/ 364 in3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro LS swaps\u003cbr\u003e• Chevrolet Corvette LS1 \u0026amp; LS6 applications\u003cbr\u003e• Chevrolet Silverado LS builds\u003cbr\u003e• Chevrolet C10 LS conversions\u003cbr\u003e• Chevrolet Chevelle LS swaps\u003cbr\u003e• Pontiac GTO LS projects\u003cbr\u003e• Custom street rods and restomods\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits GM Gen III cathedral-port LS cylinder heads\u003cbr\u003e• Designed for electronic fuel injection (EFI) applications\u003cbr\u003e• Includes custom V Series fuel rails\u003cbr\u003e• Features Gen IV 3-bar MAP sensor provision\u003cbr\u003e• Uses EV1-style injector provisions\u003cbr\u003e• Billet aluminum construction with natural finish\u003cbr\u003e• Low-rise design helps improve hood clearance in many applications\u003cbr\u003e• Verify throttle body, fuel system, injector, and hood clearance before installation\u003cbr\u003e• Not compatible with rectangle-port LS cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eCenter Maximum Height: 8.750 in.\u003cbr\u003eColor: Silver\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: Yes\u003cbr\u003eFront Maximum Height: 8.286 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Silver\u003cbr\u003eFuel Rail Finish: Natural\u003cbr\u003eFuel Rail Fitting Thread Diameter: -10 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Natural\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003ePlenum Thickness: 8 mm\u003cbr\u003eRear Maximum Height: 7.132 in.\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: Yes\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eRunner Length: 3.000 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49808283599144,"sku":"81406","price":4395.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81406_01_8f398fc0-1566-4a2c-a761-175c22bc82d4.jpg?v=1739831104"},{"product_id":"gm-ls-rectangle-port-v-series-billet-aluminum-low-rise-intake-manifold-natural","title":"GM LS Rectangle Port V Series Billet Aluminum Low-Rise Intake Manifold - Natural","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Rectangle Port V Series Billet Aluminum Low-Rise Intake Manifold. Designed for GM Gen IV rectangle port LS engines, including 4.8L, 5.3L, 6.0L, 6.2L, and 7.0L applications, this LS billet intake manifold combines premium T-6061 billet aluminum construction, exceptional airflow capability, and a low-rise design ideal for street performance, racing, truck builds, and LS swap projects.\u003c\/p\u003e\n\u003cp\u003eFresh off its award-winning appearance at the 2024 SEMA Show, the V Series intake manifold was engineered to improve airflow efficiency, enhance throttle response, and support high-horsepower EFI engine combinations. The low-rise design helps maximize hood clearance in many LS swap and performance vehicle applications while maintaining the airflow capacity required for serious street and competition builds.\u003c\/p\u003e\n\u003cp\u003ePrecision-machined from T-6061 billet aluminum, this LS rectangle port intake manifold delivers exceptional strength, durability, and serviceability. The modular construction simplifies installation and maintenance, while the included custom V Series fuel rails provide a clean, professional appearance and support modern EFI fuel systems.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading a 5.3 LS intake manifold, building a high-performance 6.0 LS combination, improving airflow on a 6.2 LS engine, or completing a custom 7.0 LS project, this billet aluminum intake manifold delivers the airflow, serviceability, and performance potential demanded by today's LS enthusiasts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Aluminum Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance V Series Intake Manifold is manufactured from premium T-6061 billet aluminum and engineered specifically for GM Gen IV rectangle port LS engines. Precision-machined construction provides exceptional durability, premium appearance, and improved serviceability for street, racing, and LS swap applications. The modular design allows easier maintenance and future upgrades while delivering a standout engine bay appearance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to improve airflow efficiency and throttle response, this LS billet intake manifold supports naturally aspirated and boosted EFI engine combinations. The low-rise configuration helps improve hood clearance in many LS swap and performance vehicle applications while maintaining the airflow capability required for high-horsepower street and competition builds.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM Gen IV Rectangle Port LS Engines\u003cbr\u003e• 4.8 L \/ 293 in3\u003cbr\u003e• 5.3 L \/ 325 in3 \u003cbr\u003e• 6.0 L \/ 364 in3 \u003cbr\u003e• 6.2 L \/ 376 in3 \u003cbr\u003e• 7.0 L \/ 428 in3 \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro LS builds\u003cbr\u003e• Chevrolet Corvette LS builds\u003cbr\u003e• Chevrolet Silverado performance projects\u003cbr\u003e• Chevrolet C10 LS swaps\u003cbr\u003e• Chevrolet Chevelle LS conversions\u003cbr\u003e• Pontiac GTO LS projects\u003cbr\u003e• Custom street rods and restomods\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits GM Gen IV rectangle port LS cylinder heads\u003cbr\u003e• Designed for electronic fuel injection applications\u003cbr\u003e• Includes custom V Series fuel rails\u003cbr\u003e• Features Gen IV 3-Bar MAP sensor provision\u003cbr\u003e• Uses EV1 injector provisions\u003cbr\u003e• Billet aluminum construction with natural finish\u003cbr\u003e• Low-rise design helps improve hood clearance in many applications\u003cbr\u003e• Verify throttle body, fuel system, injector, and hood clearance before installation\u003cbr\u003e• Not compatible with cathedral port LS cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eCenter Maximum Height: 8.750 in.\u003cbr\u003eColor: Silver\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: Yes\u003cbr\u003eFront Maximum Height: 8.286 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Silver\u003cbr\u003eFuel Rail Finish: Natural\u003cbr\u003eFuel Rail Fitting Thread Diameter: -10 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Natural\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003ePlenum Thickness: 8 mm\u003cbr\u003eRear Maximum Height: 7.132 in.\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: Yes\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eRunner Length: 3.000 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49808335470888,"sku":"81412","price":3516.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81412-01.jpg?v=1740672068"},{"product_id":"gm-ls-102mm-aluminum-intake-manifold-clear-anodized","title":"GM LS 102mm Aluminum Intake Manifold - Clear Anodized","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS 102mm Aluminum Intake Manifold. Designed for GM LS cathedral-port engines, this fabricated aluminum intake manifold delivers increased airflow capacity, improved throttle response, and enhanced high-RPM performance for street performance, drag racing, LS swap, and boosted engine applications.\u003c\/p\u003e\n\u003cp\u003eEngineered around a large 102mm throttle body opening, this LS intake manifold is designed to maximize airflow for high-output engine combinations. The fabricated aluminum construction features a large center plenum, short runners, and velocity stack runner entries that help improve airflow efficiency and cylinder distribution compared to many stock-style intake manifolds. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eConstructed from TIG-welded T-6061 aluminum, this LS fabricated intake manifold provides exceptional durability while maintaining a lightweight design. Individual port O-rings help ensure a reliable seal at each intake runner and throttle body opening, while the clear anodized finish provides corrosion resistance and a clean performance appearance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading a 5.3 LS intake manifold, building a high-performance 6.0 LS combination, completing a turbocharged LS project, or looking for a 102mm intake manifold capable of supporting serious horsepower, this LS aluminum intake manifold delivers the airflow and performance potential demanded by performance enthusiasts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFabricated Aluminum Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS 102mm Intake Manifold is engineered for enthusiasts seeking increased airflow and improved engine performance. Manufactured from TIG-welded T-6061 aluminum, this fabricated intake manifold utilizes a large center plenum, short runners, and velocity stack runner entries to help maximize airflow throughout the operating range. Individual port O-rings provide a secure seal while the clear anodized finish offers durability and corrosion resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned for performance-oriented LS engine combinations, the single-plane intake design and 102mm throttle body opening support increased airflow demand for naturally aspirated and boosted applications. The runner and plenum design help provide balanced airflow distribution while supporting strong throttle response and high-RPM performance. Designed for a 1,500-6,500 RPM operating range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM LS Cathedral Port Engines\u003cbr\u003e• 4.8 L \/ 293 in3 (LR4)\u003cbr\u003e• 5.3 L \/ 325 in3 (L33, L59, LM4, LM7)\u003cbr\u003e• 5.7 L \/ 346 in3 (LS1, LS6)\u003cbr\u003e• 6.0 L \/ 364 in3 (LQ4, LQ9, LS2)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• CTS-V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits LS-based engines with cathedral-port intake ports only\u003cbr\u003e• Designed for electronic fuel injection applications\u003cbr\u003e• 102mm throttle body opening\u003cbr\u003e• Multi-port EFI configuration\u003cbr\u003e• EV1 injector provisions\u003cbr\u003e• LSA\/LS9-style MAP sensor bung (GM #12592525)\u003cbr\u003e• Individual intake runner O-ring seals\u003cbr\u003e• Verify hood clearance, fuel system compatibility, throttle body compatibility, and accessory clearance before installation\u003cbr\u003e• Not compatible with rectangle-port LS cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-6,500 RPM\u003cbr\u003eCenter Maximum Height: 6.750 in.\u003cbr\u003eColor: Clear Anodized\u003cbr\u003eDeck Height: Standard\u003cbr\u003eFinish: Clear Anodized\u003cbr\u003eFront Maximum Height: 6.750 in.\u003cbr\u003eFuel Injection Style: Multi-port\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003ePlenum Material: Aluminum\u003cbr\u003ePlenum Thickness: 4 mm\u003cbr\u003eRear Maximum Height: 6.750 in.\u003cbr\u003eRunner Length: 5.000 in.\u003cbr\u003eSupplemental Boss Quantity: 4\u003cbr\u003eThrottle Body Bore Size: 102 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49811413467432,"sku":"81001CA","price":679.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81001CA_01.jpg?v=1739294312"},{"product_id":"gm-ls-rectangle-port-carbureted-dual-plane-aluminum-intake-manifold-polished","title":"GM LS Rectangle Port Carbureted Dual Plane Aluminum Intake Manifold - Polished","description":"\u003cp\u003e\u003cspan\u003eConvert your LS-powered build to a traditional carbureted induction system with the Top Street Performance GM LS Rectangle-Port Carbureted Dual Plane Aluminum Intake Manifold. Designed for Chevrolet LS rectangle-port engines, this polished aluminum intake manifold provides a simple and effective solution for LS carburetor conversions, street performance builds, muscle cars, hot rods, and custom engine swaps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered with a dual-plane runner design, this LS carbureted intake manifold is optimized to deliver strong throttle response, excellent drivability, and \u003cspan data-teams=\"true\"\u003ebalanced power throughout the 1500-6500RPM operating range\u003c\/span\u003e. The dual-plane configuration helps improve low- and mid-range performance, making it an excellent choice for street-driven vehicles and performance applications seeking broad power delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from lightweight aluminum with a polished finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The square-bore carburetor flange supports popular carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for Chevrolet LS rectangle-port engines including LS3, L92, L99, LY6, and L76 rectangle-port applications, this intake manifold is ideal for classic muscle cars, street rods, hot rods, trucks, and custom LS swap projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're performing an LS carb conversion, building a street-driven LS3-powered vehicle or installing a carbureted LS engine into a classic car, this polished dual-plane intake manifold delivers the drivability, simplicity, and performance enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Rectangle-Port Carbureted Dual Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The dual-plane design separates intake runners to help improve mixture distribution and street-friendly performance while maintaining excellent drivability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to operate throughout the manufacturer's published 1,500-6,500 RPM range, this dual-plane intake manifold delivers strong low-end response, broad mid-range power, and excellent street performance characteristics. Its design makes it an ideal choice for cruising, weekend performance vehicles, street rods, hot rods, and classic muscle car LS swap projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS RECTANGLE-PORT ENGINES\u003cbr\u003e• 6.0L \/ 364 in³ (LY6, L76, L96)\u003cbr\u003e• 6.2L \/ 376 in³ (LS3, L92, L99)\u003cbr\u003eRectangle-port applications only\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro SS (LS3, L99)\u003cbr\u003e• Chevrolet Corvette (LS3)\u003cbr\u003e• Escalade (L92)\u003cbr\u003e• Chevrolet Silverado 2500HD \/ 3500HD (LY6, L96)\u003cbr\u003e• GMC Sierra 2500HD \/ 3500HD (LY6, L96)\u003cbr\u003e• Chevrolet Suburban 2500 (LY6)\u003cbr\u003e• GMC Yukon XL 2500 (LY6)\u003cbr\u003e• Pontiac G8 GXP (LS3)\u003cbr\u003e• Chevrolet SS (LS3)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS rectangle-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Dual-plane intake manifold design\u003cbr\u003e• Square-bore carburetor flange configuration\u003cbr\u003e• Verify carburetor, distributor, fuel system, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS1, LS2, LS6, LR4, LM7, LQ4, LQ9, or other cathedral-port cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-6,500 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eColor: Polished\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.070 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 6.140 in.\u003cbr\u003eSingle Or Dual Plane Type: Dual Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49834886431016,"sku":"81129P","price":430.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81129P_01.jpg?v=1739820662"},{"product_id":"gm-ls-cathedral-port-carbureted-dual-plane-aluminum-intake-manifold-polished","title":"GM LS Cathedral Port Carbureted Dual Plane Aluminum Intake Manifold - Polished","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral-Port Carbureted Dual Plane Aluminum Intake Manifold. Designed for Chevrolet LS cathedral-port engines, this polished aluminum intake manifold provides a simple and effective solution for LS carburetor conversions, street performance builds, muscle cars, hot rods, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eEngineered with a dual-plane runner design, this LS carbureted intake manifold is optimized to deliver strong throttle response, excellent drivability, and \u003cspan data-teams=\"true\"\u003ebalanced power throughout the 1500-6500RPM operating range\u003c\/span\u003e. The dual-plane configuration helps improve low- and mid-range performance, making it an excellent choice for street-driven vehicles and performance applications seeking broad power delivery.\u003c\/p\u003e\n\u003cp\u003eConstructed from lightweight aluminum with a polished finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The square-bore carburetor flange supports popular 4-barrel carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit Chevrolet LS cathedral-port engines including LS1, LS6, LS2, LM7, L59, LM4, L33, LH6, LC9, LH8, LQ4, LQ9, L98, and compatible cathedral-port LY6 and L76 applications, this intake manifold is ideal for classic muscle cars, street rods, hot rods, trucks, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eWhether you're performing an LS1 carb conversion, upgrading a 5.3 LS truck, or installing a carbureted LS engine into a classic muscle car, this polished dual-plane intake manifold delivers the drivability, simplicity, and performance enthusiasts demand.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Cathedral-Port Carbureted Dual Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The dual-plane design separates intake runners to help improve mixture distribution and street-friendly performance while maintaining excellent drivability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe dual-plane runner design promotes efficient airflow distribution, helping improve throttle response, torque production, and overall engine performance. Its design makes it an ideal choice for cruising, weekend performance vehicles, street rods, hot rods, and classic muscle car LS swap projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS CATHEDRAL-PORT ENGINES\u003cbr\u003e• 4.8L \/ 293 in³ (LR4, LY2)\u003cbr\u003e• 5.3L \/ 325 in³ (LM7, L59, LM4, L33, LH6, LC9, LH8)\u003cbr\u003e• 5.7L \/ 346 in³ (LS1, LS6)\u003cbr\u003e• 6.0L \/ 364 in³ (LQ4, LQ9, L98, LS2, LY6*, L76*)\u003cbr\u003e* Cathedral-port applications only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• Chevrolet Suburban\u003cbr\u003e• GMC Yukon\u003cbr\u003e• Chevrolet Avalanche\u003cbr\u003e• Escalade\u003cbr\u003e• Pontiac GTO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS cathedral-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Dual-plane intake manifold design\u003cbr\u003e• Square-bore 4-barrel carburetor flange\u003cbr\u003e• Verify carburetor, ignition, fuel system, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS3, L92, L99, LS7, LS9, LSA, or Gen V LT cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-6,500 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eColor: Polished\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.070 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 6.140 in.\u003cbr\u003eSingle Or Dual Plane Type: Dual Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49834861953320,"sku":"81130P","price":430.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81130P_01.jpg?v=1739820167"},{"product_id":"gm-ls-rectangle-port-carbureted-single-plane-aluminum-intake-manifold-polished","title":"GM LS Rectangle Port Carbureted Single Plane Aluminum Intake Manifold - Polished","description":"\u003cp\u003e\u003cspan\u003eConvert your LS-powered build to a traditional carbureted induction system with the Top Street Performance GM LS Rectangle-Port Carbureted Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS rectangle-port engines, this polished aluminum intake manifold provides a straightforward solution for LS carburetor conversions, performance builds, hot rods, muscle cars, and custom LS swap projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered with a single-plane runner design, this LS carbureted intake manifold is optimized to support increased airflow demand while maintaining excellent performance throughout the 2,500-7,000 RPM operating range. The open-plenum design promotes efficient airflow distribution, making it an excellent choice for naturally aspirated and power-adder combinations seeking improved induction performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from lightweight aluminum with a polished finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The 4150 square-bore carburetor flange supports popular 4-barrel carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to fit Chevrolet LS rectangle-port engines including LY6, L76, L96, LS3, L92, L99, L9H, and L94 applications, this intake manifold is ideal for muscle cars, street rods, trucks, SUVs, race vehicles, and custom LS conversion projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're performing an LS3 carb conversion, upgrading a Silverado HD LY6 build, converting an L94-powered SUV, or installing a carbureted LS engine into a classic muscle car, this polished single-plane intake manifold delivers the airflow capacity, simplicity, and performance enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Rectangle-Port Carbureted Single Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The single-plane design utilizes a common plenum layout that promotes increased airflow and performance potential while maintaining compatibility with popular 4150-style carburetors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to operate throughout the 2,500-7,000 RPM range, this single-plane intake manifold supports increased airflow demand and strong performance characteristics for street performance vehicles, hot rods, muscle cars, race applications, and LS-powered builds. The open-plenum design makes it an excellent choice for enthusiasts seeking a performance-focused carbureted induction system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS RECTANGLE-PORT ENGINES\u003cbr\u003e• 6.0L \/ 364 in³ (LY6, L76, L96)\u003cbr\u003e• 6.2L \/ 376 in³ (LS3, L92, L99, L9H, L94)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003eChevrolet Silverado\u003cbr\u003eGMC Sierra\u003cbr\u003eChevrolet Camaro\u003cbr\u003eChevrolet Corvette\u003cbr\u003eChevrolet Tahoe\u003cbr\u003eCTS-V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS rectangle-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• 4150 square-bore carburetor flange\u003cbr\u003e• Verify carburetor, ignition, fuel system, distributor, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS1, LS6, LS2, LR4, LM7, LQ4, LQ9, or other cathedral-port cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Polished\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49834832134440,"sku":"81131P","price":420.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81131P_01.jpg?v=1739819504"},{"product_id":"gm-ls-cathedral-port-carbureted-single-plane-aluminum-intake-manifold-polished","title":"GM LS Cathedral Port Carbureted Single Plane Aluminum Intake Manifold - Polished","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral-Port Carbureted Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS cathedral-port engines, this polished aluminum intake manifold provides a straightforward solution for LS carburetor conversions, performance street vehicles, hot rods, muscle cars, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eEngineered with a single-plane runner design, this LS carbureted intake manifold is optimized to support increased airflow demand throughout the 2,500-7,000 RPM operating range. The open-plenum design promotes efficient airflow distribution, making it an excellent choice for naturally aspirated and power-adder combinations seeking improved induction performance. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eConstructed from lightweight aluminum with a polished finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The 4150 square-bore carburetor flange supports popular 4-barrel carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit Chevrolet LS cathedral-port engines including LR4, LY2, LM7, L59, LM4, L33, LH6, LC9, LH8, LS1, LS6, LQ4, LQ9, L98, and LS2 applications, this intake manifold is ideal for muscle cars, street rods, trucks, SUVs, race vehicles, and custom LS conversion projects.\u003c\/p\u003e\n\u003cp\u003eWhether you're performing an LS1 carb conversion or installing a carbureted LS engine into a classic muscle car, this polished single-plane intake manifold delivers the airflow capacity, simplicity, and performance enthusiasts demand.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Cathedral-Port Carbureted Single Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The single-plane design utilizes a common plenum layout that promotes increased airflow and performance potential while maintaining compatibility with popular 4150-style carburetors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to operate throughout the 2,500-7,000 RPM range, this single-plane intake manifold supports increased airflow demand and strong performance characteristics for street performance vehicles, hot rods, muscle cars, race applications, and LS-powered builds. The open-plenum design makes it an excellent choice for enthusiasts seeking a performance-focused carbureted induction system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS CATHEDRAL-PORT ENGINES\u003cbr\u003e• 4.8L \/ 293 in³ (LR4, LY2)\u003cbr\u003e• 5.3L \/ 325 in³ (LM7, L59, LM4, L33, LH6, LC9, LH8)\u003cbr\u003e• 5.7L \/ 346 in³ (LS1, LS6)\u003cbr\u003e• 6.0L \/ 364 in³ (LQ4, LQ9, L98, LS2)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• Chevrolet Suburban\u003cbr\u003e• GMC Yukon\u003cbr\u003e• Chevrolet Avalanche\u003cbr\u003e• Escalade\u003cbr\u003e• Pontiac GTO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS cathedral-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• 4150 square-bore carburetor flange\u003cbr\u003e• Supports the published 2,500-7,000 RPM operating range\u003cbr\u003e• Verify carburetor, ignition, fuel system, distributor, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS3, L92, L99, L94, L9H, L76, LY6, L96, LS7, LS9, LSA, or Gen V LT cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Polished\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49834817782056,"sku":"81132P","price":430.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81132P_01.jpg?v=1739818917"},{"product_id":"gm-ls-rectangle-port-efi-single-plane-aluminum-intake-manifold-polished","title":"GM LS Rectangle Port EFI Single Plane Aluminum Intake Manifold - Polished","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Rectangle-Port EFI Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS rectangle-port engines, this high-performance EFI intake manifold delivers increased airflow, improved throttle response, and enhanced performance potential for street performance, LS swaps, drag racing, and street\/strip applications.\u003c\/p\u003e\n\u003cp\u003eEngineered with a single-plane runner design, this LS intake manifold is built to support increased airflow demands compared to many factory-style intake systems. The large plenum and performance-oriented runner configuration help maximize airflow efficiency throughout the manufacturer's published 2,500-7,000 RPM operating range, making it an excellent choice for naturally aspirated and boosted LS engine combinations seeking improved induction performance.\u003c\/p\u003e\n\u003cp\u003eConstructed from lightweight polished aluminum, this EFI intake manifold provides excellent durability, corrosion resistance, and a clean performance appearance. Included fuel rails simplify installation and support modern electronic fuel injection systems, making this manifold a substantial upgrade for performance-minded enthusiasts.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit Chevrolet LS rectangle-port engines including LS3, L92, L99, LY6, and L76 rectangle-port applications, this intake manifold is ideal for performance street vehicles, muscle cars, trucks, SUVs, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading an LS3-powered Camaro SS, Corvette, Pontiac G8 GXP, LY6-powered Silverado HD, GMC Sierra HD, Yukon XL 2500, or building a custom rectangle-port LS project, this polished aluminum intake manifold delivers the airflow capacity, EFI compatibility, and performance-focused design serious LS enthusiasts demand.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Rectangle-Port EFI Single Plane Intake Manifold is engineered for enthusiasts seeking improved airflow and increased engine performance. Its single-plane design utilizes a common plenum layout that promotes stronger airflow and increased power production at higher engine speeds. Lightweight polished aluminum construction provides durability while maintaining a professional performance appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe single-plane intake design is engineered to support increased airflow and improved throttle response compared to many factory-style intake manifolds. Its large plenum and performance-oriented runner design help maximize airflow efficiency throughout the manufacturer's published 2,500-7,000 RPM operating range, making it an excellent choice for street performance vehicles, LS swaps, naturally aspirated combinations, and boosted engine builds seeking improved induction performance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS RECTANGLE-PORT ENGINES\u003cbr\u003e• 6.0L \/ 364 in³ (LY6*, L76*)\u003cbr\u003e• 6.2L \/ 376 in³ (LS3, L92, L99)\u003cbr\u003e* Rectangle-port applications only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro SS\u003cbr\u003e• Chevrolet Corvette (LS3)\u003cbr\u003e• Chevrolet Silverado 2500HD \/ 3500HD (LY6)\u003cbr\u003e• GMC Sierra 2500HD \/ 3500HD (LY6)\u003cbr\u003e• Chevrolet Suburban 2500 (LY6)\u003cbr\u003e• GMC Yukon XL 2500 (LY6)\u003cbr\u003e• Pontiac G8 GXP\u003cbr\u003e• Chevrolet SS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS rectangle-port engines only\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• Designed for electronic fuel injection systems\u003cbr\u003e• Fuel rails included\u003cbr\u003e• Verify injector, throttle body, fuel system, and hood clearance before installation\u003cbr\u003e• Not compatible with LS1, LS2, LS6, LR4, LM7, LQ4, LQ9, or other cathedral-port cylinder heads\u003cbr\u003e• Will not work with LS7\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Polished\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: -8 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49834798055720,"sku":"81136P","price":576.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81136P_01.jpg?v=1739818495"},{"product_id":"gm-ls-cathedral-port-efi-single-plane-aluminum-intake-manifold-polished","title":"GM LS Cathedral Port EFI Single Plane Aluminum Intake Manifold - Polished","description":"\u003cp\u003e\u003cspan\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral-Port EFI Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS cathedral-port engines, this high-performance EFI intake manifold delivers increased airflow, improved throttle response, and enhanced performance potential for street performance, LS swaps, drag racing, and street\/strip applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered with a single-plane runner design, this LS intake manifold is built to support increased airflow demands compared to many factory-style intake systems. The large plenum and performance-oriented runner configuration help maximize airflow efficiency, making it an excellent choice for naturally aspirated and boosted LS engine combinations seeking improved induction performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from lightweight polished aluminum, this EFI intake manifold provides excellent durability, corrosion resistance, and a clean performance appearance. Included fuel rails simplify installation and support modern electronic fuel injection systems, making this manifold a substantial upgrade for performance-minded enthusiasts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to fit a wide range of Chevrolet LS cathedral-port engines, including LS1, LS6, LS2, LM7, L59, LM4, L33, LH6, LC9, LH8, LQ4, LQ9, L98, and other compatible cathedral-port applications, this intake manifold is ideal for performance street vehicles, muscle cars, trucks, SUVs, and custom LS swap projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're upgrading an LS1-powered Camaro, LS6 Corvette, LS2 GTO, LM7 Silverado, LC9 Tahoe, or LQ9 performance truck build, this polished aluminum intake manifold delivers the airflow capacity, EFI compatibility, and performance-focused design serious LS enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Cathedral-Port EFI Single Plane Intake Manifold is engineered for enthusiasts seeking increased airflow and improved engine performance. Its single-plane design utilizes a common plenum layout that promotes stronger airflow and increased power production at higher RPM levels. Lightweight polished aluminum construction provides durability while maintaining a professional performance appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe single-plane intake design is engineered to support increased airflow and improved throttle response compared to many factory-style intake manifolds. Its large plenum and performance-oriented runner design help maximize airflow efficiency, making it an excellent choice for street performance vehicles, LS swaps, naturally aspirated combinations, and boosted engine builds seeking improved induction performance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS CATHEDRAL-PORT ENGINES\u003cbr\u003e• 4.8L \/ 293 in³ (LR4, LY2)\u003cbr\u003e• 5.3L \/ 325 in³ (LM7, L59, LM4, L33, LH6, LC9, LH8)\u003cbr\u003e• 5.7L \/ 346 in³ (LS1, LS6)\u003cbr\u003e• 6.0L \/ 364 in³ (LQ4, LQ9, L98, LS2, LY6*, L76*)\u003cbr\u003e*Cathedral-port applications only\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• Chevrolet Suburban\u003cbr\u003e• GMC Yukon\u003cbr\u003e• Chevrolet Avalanche\u003cbr\u003e• Escalade\u003cbr\u003e• Pontiac GTO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS cathedral-port engines only\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• Designed for electronic fuel injection systems\u003cbr\u003e• Fuel rails included\u003cbr\u003e• Verify injector, throttle body, fuel system, and hood clearance before installation\u003cbr\u003e• Not compatible with LS3, L92, L99, LS7, LS9, LSA, or Gen V LT cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Polished\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: -8 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49834772693288,"sku":"81137P","price":586.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81137P-01.jpg?v=1740688270"},{"product_id":"universal-gm-ls-and-lt-swap-cold-air-intake-kit","title":"Universal GM LS and LT Swap Cold Air Intake Kit","description":"\u003cp\u003eBuilt for upgraded induction performance, this intake manifold supports improved airflow characteristics and stable fuel delivery for GM LS Series applications using properly matched carburetor or EFI configurations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAirflow \u0026amp; Performance Design\u003c\/strong\u003e\u003cbr\u003eThe intake runner and plenum design help support balanced airflow delivery between cylinders while maintaining stable throttle response and dependable street-driven performance. \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Engine-Bay Fitment\u003c\/strong\u003e\u003cbr\u003eThe manifold construction to support long-term durability, heat management, and a clean installed appearance in demanding engine-bay environments.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Considerations\u003c\/strong\u003e\u003cbr\u003eProper installation requires confirming cylinder head compatibility, intake gasket alignment, carburetor or throttle-body configuration, distributor clearance, and hood clearance before final assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSystem Matching\u003c\/strong\u003e\u003cbr\u003eVerify fuel system compatibility, throttle linkage setup, vacuum routing, sensor provisions, and accessory clearance before installation. This intake manifold is intended for properly matched engine combinations.\u003c\/p\u003e\u003cb\u003eCOMPATIBLE WITH:\u003c\/b\u003e\u003cbr\u003eCHEVROLET SMALL BLOCK V8 GEN. III\/IV (LS BASED)\u003cbr\u003e• 4.8 L \/ 293 in3\u003cbr\u003e• 5.3 L \/ 325 in3\u003cbr\u003e• 5.7 L \/ 346 in3\u003cbr\u003e• 6.0 L \/ 364 in3\u003cbr\u003e• 6.2 L \/ 376 in3\"\n\u003cbr\u003e\u003cb\u003eCOMMON VEHICLE APPLICATIONS:\u003c\/b\u003e\u003cbr\u003eChevrolet Silverado\u003cbr\u003eGMC Sierra\u003cbr\u003eChevrolet Camaro\u003cbr\u003eChevrolet Corvette\u003cbr\u003eChevrolet Tahoe\u003cbr\u003eCTS-V\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003e\nAir Filter Type: Oiled\u003cbr\u003e\nTub Color: Black\u003cbr\u003e\nFilter Color: Red\u003cbr\u003e\nAir Filter Material: Cotton Gauze","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49903136473384,"sku":"81091","price":259.71,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81091-01.jpg?v=1770330951"},{"product_id":"gm-ls-cathedral-port-v-series-billet-aluminum-low-rise-intake-manifold-black","title":"GM LS Cathedral Port V Series Billet Aluminum Low-Rise Intake Manifold - Black","description":"\u003cp\u003e\u003cspan\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral Port V Series Billet Aluminum Low-Rise Intake Manifold. Designed for GM Gen III cathedral-port LS engines, this LS billet intake manifold combines premium T-6061 billet aluminum construction, exceptional airflow capability, and a modular design that supports high-performance street, race, and LS swap applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFresh off its award-winning appearance at the 2024 SEMA Show, the V Series intake manifold was engineered to improve airflow efficiency, enhance throttle response, and deliver the performance potential serious LS enthusiasts demand. The low-rise design provides improved hood clearance for many LS swap, street performance, and restomod applications while maintaining the airflow needed for high-horsepower engine combinations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured from T-6061 billet aluminum, this LS cathedral port intake manifold offers exceptional durability, premium appearance, and precise machining throughout. The modular design simplifies installation, maintenance, and future upgrades, while included custom V Series fuel rails help create a clean, professional engine bay appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're upgrading an LS1 intake manifold, building a turbocharged 5.3 LS, improving airflow on a 6.0 LS combination, or completing a custom LS swap, this billet aluminum LS intake manifold provides the airflow capacity, serviceability, and performance-focused design needed for serious street and competition builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Aluminum Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance V Series Intake Manifold is manufactured from premium T-6061 billet aluminum and engineered specifically for GM Gen III cathedral-port LS engines. Precision-machined construction provides exceptional strength, durability, and appearance while creating a premium engine bay upgrade for street and racing applications. The modular design simplifies installation, maintenance, and future modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe runner design is engineered to improve airflow efficiency and support increased engine performance across a broad RPM range. Combined with a low-rise configuration, this intake manifold delivers excellent airflow capability while helping maintain hood clearance in many LS swap and performance vehicle applications. The multi-port EFI design supports naturally aspirated and boosted engine combinations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM Gen III Cathedral Port LS Engines\u003cbr\u003e• 4.8 L \/ 293 in3\u003cbr\u003e• 5.3 L \/ 325 in3\u003cbr\u003e• 5.7 L \/ 346 in3\u003cbr\u003e• 6.0 L \/ 364 in3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro LS swaps\u003cbr\u003e• Chevrolet Corvette LS1 \u0026amp; LS6 applications\u003cbr\u003e• Chevrolet Silverado LS builds\u003cbr\u003e• Chevrolet C10 LS conversions\u003cbr\u003e• Chevrolet Chevelle LS swaps\u003cbr\u003e• Pontiac GTO LS projects\u003cbr\u003e• Custom street rods and restomods\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits GM Gen III cathedral-port LS cylinder heads\u003cbr\u003e• Designed for electronic fuel injection (EFI) applications\u003cbr\u003e• Includes custom V Series fuel rails\u003cbr\u003e• Features Gen IV 3-bar MAP sensor provision\u003cbr\u003e• Uses EV1-style injector provisions\u003cbr\u003e• Billet aluminum construction with black finish\u003cbr\u003e• Low-rise design helps improve hood clearance in many applications\u003cbr\u003e• Verify throttle body, fuel system, injector, and hood clearance before installation\u003cbr\u003e• Not compatible with rectangle-port LS cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eCenter Maximum Height: 8.750 in.\u003cbr\u003eColor: Silver\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: Yes\u003cbr\u003eFront Maximum Height: 8.286 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Silver\u003cbr\u003eFuel Rail Finish: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: -10 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Natural\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003ePlenum Thickness: 8 mm\u003cbr\u003eRear Maximum Height: 7.132 in.\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: Yes\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eRunner Length: 3.000 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49969948983592,"sku":"81406BK","price":4395.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81406BK_01.jpg?v=1758131034"},{"product_id":"gm-ls-102mm-aluminum-intake-manifold-black","title":"GM LS 102mm Aluminum Intake Manifold - Black","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS 102mm Aluminum Intake Manifold. Designed for GM LS cathedral-port engines, this fabricated aluminum intake manifold delivers increased airflow capacity, improved throttle response, and enhanced high-RPM performance for street performance, drag racing, LS swap, and boosted engine applications.\u003c\/p\u003e\n\u003cp\u003eEngineered around a large 102mm throttle body opening, this LS intake manifold is designed to maximize airflow for high-output engine combinations. The fabricated aluminum construction features a large center plenum, short runners, and velocity stack runner entries that help improve airflow efficiency and cylinder distribution compared to many stock-style intake manifolds. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eConstructed from TIG-welded T-6061 aluminum, this LS fabricated intake manifold provides exceptional durability while maintaining a lightweight design. Individual port O-rings help ensure a reliable seal at each intake runner and throttle body opening, while the black finish provides corrosion resistance and a clean performance appearance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading a 5.3 LS intake manifold, building a high-performance 6.0 LS combination, completing a turbocharged LS project, or looking for a 102mm intake manifold capable of supporting serious horsepower, this LS aluminum intake manifold delivers the airflow and performance potential demanded by performance enthusiasts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFabricated Aluminum Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS 102mm Intake Manifold is engineered for enthusiasts seeking increased airflow and improved engine performance. Manufactured from TIG-welded T-6061 aluminum, this fabricated intake manifold utilizes a large center plenum, short runners, and velocity stack runner entries to help maximize airflow throughout the operating range. Individual port O-rings provide a secure seal while the black finish offers durability and corrosion resistance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned for performance-oriented LS engine combinations, the single-plane intake design and 102mm throttle body opening support increased airflow demand for naturally aspirated and boosted applications. The runner and plenum design help provide balanced airflow distribution while supporting strong throttle response and high-RPM performance. Designed for a 1,500-6,500 RPM operating range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM LS Cathedral Port Engines\u003cbr\u003e• 4.8 L \/ 293 in3 (LR4)\u003cbr\u003e• 5.3 L \/ 325 in3 (L33, L59, LM4, LM7)\u003cbr\u003e• 5.7 L \/ 346 in3 (LS1, LS6)\u003cbr\u003e• 6.0 L \/ 364 in3 (LQ4, LQ9, LS2)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• CTS-V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits LS-based engines with cathedral-port intake ports only\u003cbr\u003e• Designed for electronic fuel injection applications\u003cbr\u003e• 102mm throttle body opening\u003cbr\u003e• Multi-port EFI configuration\u003cbr\u003e• EV1 injector provisions\u003cbr\u003e• LSA\/LS9-style MAP sensor bung (GM #12592525)\u003cbr\u003e• Individual intake runner O-ring seals\u003cbr\u003e• Verify hood clearance, fuel system compatibility, throttle body compatibility, and accessory clearance before installation\u003cbr\u003e• Not compatible with rectangle-port LS cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-6,500 RPM\u003cbr\u003eCenter Maximum Height: 6.750 in.\u003cbr\u003eColor: Clear Anodized\u003cbr\u003eDeck Height: Standard\u003cbr\u003eFinish: Black\u003cbr\u003eFront Maximum Height: 6.750 in.\u003cbr\u003eFuel Injection Style: Multi-port\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003ePlenum Material: Aluminum\u003cbr\u003ePlenum Thickness: 4 mm\u003cbr\u003eRear Maximum Height: 6.750 in.\u003cbr\u003eRunner Length: 5.000 in.\u003cbr\u003eSupplemental Boss Quantity: 4\u003cbr\u003eThrottle Body Bore Size: 102 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970000167208,"sku":"81001BK","price":679.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81001BK-05.jpg?v=1779910804"},{"product_id":"gm-ls-rectangle-port-efi-single-plane-aluminum-intake-manifold-black","title":"GM LS Rectangle Port EFI Single Plane Aluminum Intake Manifold - Black","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Rectangle-Port EFI Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS rectangle-port engines, this high-performance EFI intake manifold delivers increased airflow, improved throttle response, and enhanced performance potential for street performance, LS swaps, drag racing, and street\/strip applications.\u003c\/p\u003e\n\u003cp\u003eEngineered with a single-plane runner design, this LS intake manifold is built to support increased airflow demands compared to many factory-style intake systems. The large plenum and performance-oriented runner configuration help maximize airflow efficiency throughout the manufacturer's published 2,500-7,000 RPM operating range, making it an excellent choice for naturally aspirated and boosted LS engine combinations seeking improved induction performance.\u003c\/p\u003e\n\u003cp\u003eConstructed from lightweight black aluminum, this EFI intake manifold provides excellent durability, corrosion resistance, and a clean performance appearance. Included fuel rails simplify installation and support modern electronic fuel injection systems, making this manifold a substantial upgrade for performance-minded enthusiasts.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit Chevrolet LS rectangle-port engines including LS3, L92, L99, LY6, and L76 rectangle-port applications, this intake manifold is ideal for performance street vehicles, muscle cars, trucks, SUVs, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading an LS3-powered Camaro SS, Corvette, Pontiac G8 GXP, LY6-powered Silverado HD, GMC Sierra HD, Yukon XL 2500, or building a custom rectangle-port LS project, this black aluminum intake manifold delivers the airflow capacity, EFI compatibility, and performance-focused design serious LS enthusiasts demand.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Rectangle-Port EFI Single Plane Intake Manifold is engineered for enthusiasts seeking improved airflow and increased engine performance. Its single-plane design utilizes a common plenum layout that promotes stronger airflow and increased power production at higher engine speeds. Lightweight black aluminum construction provides durability while maintaining a professional performance appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe single-plane intake design is engineered to support increased airflow and improved throttle response compared to many factory-style intake manifolds. Its large plenum and performance-oriented runner design help maximize airflow efficiency throughout the manufacturer's published 2,500-7,000 RPM operating range, making it an excellent choice for street performance vehicles, LS swaps, naturally aspirated combinations, and boosted engine builds seeking improved induction performance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS RECTANGLE-PORT ENGINES\u003cbr\u003e• 6.0L \/ 364 in³ (LY6*, L76*)\u003cbr\u003e• 6.2L \/ 376 in³ (LS3, L92, L99)\u003cbr\u003e* Rectangle-port applications only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro SS\u003cbr\u003e• Chevrolet Corvette (LS3)\u003cbr\u003e• Chevrolet Silverado 2500HD \/ 3500HD (LY6)\u003cbr\u003e• GMC Sierra 2500HD \/ 3500HD (LY6)\u003cbr\u003e• Chevrolet Suburban 2500 (LY6)\u003cbr\u003e• GMC Yukon XL 2500 (LY6)\u003cbr\u003e• Pontiac G8 GXP\u003cbr\u003e• Chevrolet SS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS rectangle-port engines only\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• Designed for electronic fuel injection systems\u003cbr\u003e• Fuel rails included\u003cbr\u003e• Verify injector, throttle body, fuel system, and hood clearance before installation\u003cbr\u003e• Not compatible with LS1, LS2, LS6, LR4, LM7, LQ4, LQ9, or other cathedral-port cylinder heads\u003cbr\u003e• Will not work with LS7\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Black\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: -8 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970020942120,"sku":"81136BK","price":503.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81136BK-01.jpg?v=1781112010"},{"product_id":"gm-ls-rectangle-port-efi-single-plane-aluminum-intake-manifold-satin","title":"GM LS Rectangle Port EFI Single Plane Aluminum Intake Manifold - Satin","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Rectangle-Port EFI Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS rectangle-port engines, this high-performance EFI intake manifold delivers increased airflow, improved throttle response, and enhanced performance potential for street performance, LS swaps, drag racing, and street\/strip applications.\u003c\/p\u003e\n\u003cp\u003eEngineered with a single-plane runner design, this LS intake manifold is built to support increased airflow demands compared to many factory-style intake systems. The large plenum and performance-oriented runner configuration help maximize airflow efficiency throughout the manufacturer's published 2,500-7,000 RPM operating range, making it an excellent choice for naturally aspirated and boosted LS engine combinations seeking improved induction performance.\u003c\/p\u003e\n\u003cp\u003eConstructed from lightweight satin aluminum, this EFI intake manifold provides excellent durability, corrosion resistance, and a clean performance appearance. Included fuel rails simplify installation and support modern electronic fuel injection systems, making this manifold a substantial upgrade for performance-minded enthusiasts.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit Chevrolet LS rectangle-port engines including LS3, L92, L99, LY6, and L76 rectangle-port applications, this intake manifold is ideal for performance street vehicles, muscle cars, trucks, SUVs, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading an LS3-powered Camaro SS, Corvette, Pontiac G8 GXP, LY6-powered Silverado HD, GMC Sierra HD, Yukon XL 2500, or building a custom rectangle-port LS project, this satin aluminum intake manifold delivers the airflow capacity, EFI compatibility, and performance-focused design serious LS enthusiasts demand.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Rectangle-Port EFI Single Plane Intake Manifold is engineered for enthusiasts seeking improved airflow and increased engine performance. Its single-plane design utilizes a common plenum layout that promotes stronger airflow and increased power production at higher engine speeds. Lightweight satin aluminum construction provides durability while maintaining a professional performance appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe single-plane intake design is engineered to support increased airflow and improved throttle response compared to many factory-style intake manifolds. Its large plenum and performance-oriented runner design help maximize airflow efficiency throughout the manufacturer's published 2,500-7,000 RPM operating range, making it an excellent choice for street performance vehicles, LS swaps, naturally aspirated combinations, and boosted engine builds seeking improved induction performance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS RECTANGLE-PORT ENGINES\u003cbr\u003e• 6.0L \/ 364 in³ (LY6*, L76*)\u003cbr\u003e• 6.2L \/ 376 in³ (LS3, L92, L99)\u003cbr\u003e* Rectangle-port applications only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro SS\u003cbr\u003e• Chevrolet Corvette (LS3)\u003cbr\u003e• Chevrolet Silverado 2500HD \/ 3500HD (LY6)\u003cbr\u003e• GMC Sierra 2500HD \/ 3500HD (LY6)\u003cbr\u003e• Chevrolet Suburban 2500 (LY6)\u003cbr\u003e• GMC Yukon XL 2500 (LY6)\u003cbr\u003e• Pontiac G8 GXP\u003cbr\u003e• Chevrolet SS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS rectangle-port engines only\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• Designed for electronic fuel injection systems\u003cbr\u003e• Fuel rails included\u003cbr\u003e• Verify injector, throttle body, fuel system, and hood clearance before installation\u003cbr\u003e• Not compatible with LS1, LS2, LS6, LR4, LM7, LQ4, LQ9, or other cathedral-port cylinder heads\u003cbr\u003e• Will not work with LS7\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Satin\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: -8 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970025267496,"sku":"81136","price":479.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81136_01.jpg?v=1739818455"},{"product_id":"gm-ls-cathedral-port-efi-single-plane-aluminum-intake-manifold-black","title":"GM LS Cathedral Port EFI Single Plane Aluminum Intake Manifold - Black","description":"\u003cp\u003e\u003cspan\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral-Port EFI Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS cathedral-port engines, this high-performance EFI intake manifold delivers increased airflow, improved throttle response, and enhanced performance potential for street performance, LS swaps, drag racing, and street\/strip applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered with a single-plane runner design, this LS intake manifold is built to support increased airflow demands compared to many factory-style intake systems. The large plenum and performance-oriented runner configuration help maximize airflow efficiency, making it an excellent choice for naturally aspirated and boosted LS engine combinations seeking improved induction performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from lightweight black aluminum, this EFI intake manifold provides excellent durability, corrosion resistance, and a clean performance appearance. Included fuel rails simplify installation and support modern electronic fuel injection systems, making this manifold a substantial upgrade for performance-minded enthusiasts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to fit a wide range of Chevrolet LS cathedral-port engines, including LS1, LS6, LS2, LM7, L59, LM4, L33, LH6, LC9, LH8, LQ4, LQ9, L98, and other compatible cathedral-port applications, this intake manifold is ideal for performance street vehicles, muscle cars, trucks, SUVs, and custom LS swap projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're upgrading an LS1-powered Camaro, LS6 Corvette, LS2 GTO, LM7 Silverado, LC9 Tahoe, or LQ9 performance truck build, this black aluminum intake manifold delivers the airflow capacity, EFI compatibility, and performance-focused design serious LS enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Cathedral-Port EFI Single Plane Intake Manifold is engineered for enthusiasts seeking increased airflow and improved engine performance. Its single-plane design utilizes a common plenum layout that promotes stronger airflow and increased power production at higher RPM levels. Lightweight polished aluminum construction provides durability while maintaining a professional performance appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe single-plane intake design is engineered to support increased airflow and improved throttle response compared to many factory-style intake manifolds. Its large plenum and performance-oriented runner design help maximize airflow efficiency, making it an excellent choice for street performance vehicles, LS swaps, naturally aspirated combinations, and boosted engine builds seeking improved induction performance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS CATHEDRAL-PORT ENGINES\u003cbr\u003e• 4.8L \/ 293 in³ (LR4, LY2)\u003cbr\u003e• 5.3L \/ 325 in³ (LM7, L59, LM4, L33, LH6, LC9, LH8)\u003cbr\u003e• 5.7L \/ 346 in³ (LS1, LS6)\u003cbr\u003e• 6.0L \/ 364 in³ (LQ4, LQ9, L98, LS2, LY6*, L76*)\u003cbr\u003e*Cathedral-port applications only\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• Chevrolet Suburban\u003cbr\u003e• GMC Yukon\u003cbr\u003e• Chevrolet Avalanche\u003cbr\u003e• Escalade\u003cbr\u003e• Pontiac GTO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS cathedral-port engines only\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• Designed for electronic fuel injection systems\u003cbr\u003e• Fuel rails included\u003cbr\u003e• Verify injector, throttle body, fuel system, and hood clearance before installation\u003cbr\u003e• Not compatible with LS3, L92, L99, LS7, LS9, LSA, or Gen V LT cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Polished\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: -8 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970047648040,"sku":"81137BK","price":513.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81137BK_01_38948638-5af8-465d-84ab-bbdde96c4f60.jpg?v=1740688270"},{"product_id":"gm-ls-cathedral-port-efi-single-plane-aluminum-intake-manifold-satin","title":"GM LS Cathedral Port EFI Single Plane Aluminum Intake Manifold - Satin","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral-Port EFI Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS cathedral-port engines, this high-performance EFI intake manifold delivers increased airflow, improved throttle response, and enhanced performance potential for street performance, LS swaps, drag racing, and street\/strip applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEngineered with a single-plane runner design, this LS intake manifold is built to support increased airflow demands compared to many factory-style intake systems. The large plenum and performance-oriented runner configuration help maximize airflow efficiency, making it an excellent choice for naturally aspirated and boosted LS engine combinations seeking improved induction performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConstructed from lightweight satin aluminum, this EFI intake manifold provides excellent durability, corrosion resistance, and a clean performance appearance. Included fuel rails simplify installation and support modern electronic fuel injection systems, making this manifold a substantial upgrade for performance-minded enthusiasts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned to fit a wide range of Chevrolet LS cathedral-port engines, including LS1, LS6, LS2, LM7, L59, LM4, L33, LH6, LC9, LH8, LQ4, LQ9, L98, and other compatible cathedral-port applications, this intake manifold is ideal for performance street vehicles, muscle cars, trucks, SUVs, and custom LS swap projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're upgrading an LS1-powered Camaro, LS6 Corvette, LS2 GTO, LM7 Silverado, LC9 Tahoe, or LQ9 performance truck build, this satin aluminum intake manifold delivers the airflow capacity, EFI compatibility, and performance-focused design serious LS enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Cathedral-Port EFI Single Plane Intake Manifold is engineered for enthusiasts seeking increased airflow and improved engine performance. Its single-plane design utilizes a common plenum layout that promotes stronger airflow and increased power production at higher RPM levels. Lightweight satin aluminum construction provides durability while maintaining a professional performance appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe single-plane intake design is engineered to support increased airflow and improved throttle response compared to many factory-style intake manifolds. Its large plenum and performance-oriented runner design help maximize airflow efficiency, making it an excellent choice for street performance vehicles, LS swaps, naturally aspirated combinations, and boosted engine builds seeking improved induction performance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS CATHEDRAL-PORT ENGINES\u003cbr\u003e• 4.8L \/ 293 in³ (LR4, LY2)\u003cbr\u003e• 5.3L \/ 325 in³ (LM7, L59, LM4, L33, LH6, LC9, LH8)\u003cbr\u003e• 5.7L \/ 346 in³ (LS1, LS6)\u003cbr\u003e• 6.0L \/ 364 in³ (LQ4, LQ9, L98, LS2, LY6*, L76*)\u003cbr\u003e*Cathedral-port applications only\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• Chevrolet Suburban\u003cbr\u003e• GMC Yukon\u003cbr\u003e• Chevrolet Avalanche\u003cbr\u003e• Escalade\u003cbr\u003e• Pontiac GTO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS cathedral-port engines only\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• Designed for electronic fuel injection systems\u003cbr\u003e• Fuel rails included\u003cbr\u003e• Verify injector, throttle body, fuel system, and hood clearance before installation\u003cbr\u003e• Not compatible with LS3, L92, L99, LS7, LS9, LSA, or Gen V LT cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Satin\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: -8 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970048598312,"sku":"81137","price":488.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81137-01.jpg?v=1740688270"},{"product_id":"gm-ls-rectangle-port-carbureted-dual-plane-aluminum-intake-manifold-black","title":"GM LS Rectangle Port Carbureted Dual Plane Aluminum Intake Manifold - Black","description":"\u003cp\u003e\u003cspan\u003eConvert your LS-powered build to a traditional carbureted induction system with the Top Street Performance GM LS Rectangle-Port Carbureted Dual Plane Aluminum Intake Manifold. Designed for Chevrolet LS rectangle-port engines, this black aluminum intake manifold provides a simple and effective solution for LS carburetor conversions, street performance builds, muscle cars, hot rods, and custom engine swaps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered with a dual-plane runner design, this LS carbureted intake manifold is optimized to deliver strong throttle response, excellent drivability, and \u003cspan data-teams=\"true\"\u003ebalanced power throughout the 1500-6500RPM operating range\u003c\/span\u003e. The dual-plane configuration helps improve low- and mid-range performance, making it an excellent choice for street-driven vehicles and performance applications seeking broad power delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from lightweight aluminum with a black finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The square-bore carburetor flange supports popular carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for Chevrolet LS rectangle-port engines including LS3, L92, L99, LY6, and L76 rectangle-port applications, this intake manifold is ideal for classic muscle cars, street rods, hot rods, trucks, and custom LS swap projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're performing an LS carb conversion, building a street-driven LS3-powered vehicle or installing a carbureted LS engine into a classic car, this black dual-plane intake manifold delivers the drivability, simplicity, and performance enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Rectangle-Port Carbureted Dual Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The dual-plane design separates intake runners to help improve mixture distribution and street-friendly performance while maintaining excellent drivability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to operate throughout the manufacturer's published 1,500-6,500 RPM range, this dual-plane intake manifold delivers strong low-end response, broad mid-range power, and excellent street performance characteristics. Its design makes it an ideal choice for cruising, weekend performance vehicles, street rods, hot rods, and classic muscle car LS swap projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS RECTANGLE-PORT ENGINES\u003cbr\u003e• 6.0L \/ 364 in³ (LY6, L76, L96)\u003cbr\u003e• 6.2L \/ 376 in³ (LS3, L92, L99)\u003cbr\u003eRectangle-port applications only\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro SS (LS3, L99)\u003cbr\u003e• Chevrolet Corvette (LS3)\u003cbr\u003e• Escalade (L92)\u003cbr\u003e• Chevrolet Silverado 2500HD \/ 3500HD (LY6, L96)\u003cbr\u003e• GMC Sierra 2500HD \/ 3500HD (LY6, L96)\u003cbr\u003e• Chevrolet Suburban 2500 (LY6)\u003cbr\u003e• GMC Yukon XL 2500 (LY6)\u003cbr\u003e• Pontiac G8 GXP (LS3)\u003cbr\u003e• Chevrolet SS (LS3)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS rectangle-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Dual-plane intake manifold design\u003cbr\u003e• Square-bore carburetor flange configuration\u003cbr\u003e• Verify carburetor, distributor, fuel system, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS1, LS2, LS6, LR4, LM7, LQ4, LQ9, or other cathedral-port cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-6,500 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eColor: Black\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.070 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 6.140 in.\u003cbr\u003eSingle Or Dual Plane Type: Dual Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970050171176,"sku":"81129BK","price":356.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81129BK_01.jpg?v=1739820694"},{"product_id":"gm-ls-rectangle-port-carbureted-dual-plane-aluminum-intake-manifold-satin","title":"GM LS Rectangle Port Carbureted Dual Plane Aluminum Intake Manifold - Satin","description":"\u003cp\u003e\u003cspan\u003eConvert your LS-powered build to a traditional carbureted induction system with the Top Street Performance GM LS Rectangle-Port Carbureted Dual Plane Aluminum Intake Manifold. Designed for Chevrolet LS rectangle-port engines, this polished aluminum intake manifold provides a simple and effective solution for LS carburetor conversions, street performance builds, muscle cars, hot rods, and custom engine swaps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered with a dual-plane runner design, this LS carbureted intake manifold is optimized to deliver strong throttle response, excellent drivability, and \u003cspan data-teams=\"true\"\u003ebalanced power throughout the 1500-6500RPM operating range\u003c\/span\u003e. The dual-plane configuration helps improve low- and mid-range performance, making it an excellent choice for street-driven vehicles and performance applications seeking broad power delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from lightweight aluminum with a polished finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The square-bore carburetor flange supports popular carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for Chevrolet LS rectangle-port engines including LS3, L92, L99, LY6, and L76 rectangle-port applications, this intake manifold is ideal for classic muscle cars, street rods, hot rods, trucks, and custom LS swap projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're performing an LS carb conversion, building a street-driven LS3-powered vehicle or installing a carbureted LS engine into a classic car, this polished dual-plane intake manifold delivers the drivability, simplicity, and performance enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Rectangle-Port Carbureted Dual Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The dual-plane design separates intake runners to help improve mixture distribution and street-friendly performance while maintaining excellent drivability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to operate throughout the manufacturer's published 1,500-6,500 RPM range, this dual-plane intake manifold delivers strong low-end response, broad mid-range power, and excellent street performance characteristics. Its design makes it an ideal choice for cruising, weekend performance vehicles, street rods, hot rods, and classic muscle car LS swap projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS RECTANGLE-PORT ENGINES\u003cbr\u003e• 6.0L \/ 364 in³ (LY6, L76, L96)\u003cbr\u003e• 6.2L \/ 376 in³ (LS3, L92, L99)\u003cbr\u003eRectangle-port applications only\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro SS (LS3, L99)\u003cbr\u003e• Chevrolet Corvette (LS3)\u003cbr\u003e• Escalade (L92)\u003cbr\u003e• Chevrolet Silverado 2500HD \/ 3500HD (LY6, L96)\u003cbr\u003e• GMC Sierra 2500HD \/ 3500HD (LY6, L96)\u003cbr\u003e• Chevrolet Suburban 2500 (LY6)\u003cbr\u003e• GMC Yukon XL 2500 (LY6)\u003cbr\u003e• Pontiac G8 GXP (LS3)\u003cbr\u003e• Chevrolet SS (LS3)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS rectangle-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Dual-plane intake manifold design\u003cbr\u003e• Square-bore carburetor flange configuration\u003cbr\u003e• Verify carburetor, distributor, fuel system, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS1, LS2, LS6, LR4, LM7, LQ4, LQ9, or other cathedral-port cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-6,500 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eColor: Satin\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.070 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 6.140 in.\u003cbr\u003eSingle Or Dual Plane Type: Dual Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970051285288,"sku":"81129","price":332.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81129_01.jpg?v=1739820694"},{"product_id":"gm-ls-cathedral-port-carbureted-dual-plane-aluminum-intake-manifold-black","title":"GM LS Cathedral Port Carbureted Dual Plane Aluminum Intake Manifold - Black","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral-Port Carbureted Dual Plane Aluminum Intake Manifold. Designed for Chevrolet LS cathedral-port engines, this black aluminum intake manifold provides a simple and effective solution for LS carburetor conversions, street performance builds, muscle cars, hot rods, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eEngineered with a dual-plane runner design, this LS carbureted intake manifold is optimized to deliver strong throttle response, excellent drivability, and \u003cspan data-teams=\"true\"\u003ebalanced power throughout the 1500-6500RPM operating range\u003c\/span\u003e. The dual-plane configuration helps improve low- and mid-range performance, making it an excellent choice for street-driven vehicles and performance applications seeking broad power delivery.\u003c\/p\u003e\n\u003cp\u003eConstructed from lightweight aluminum with a black finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The square-bore carburetor flange supports popular 4-barrel carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit Chevrolet LS cathedral-port engines including LS1, LS6, LS2, LM7, L59, LM4, L33, LH6, LC9, LH8, LQ4, LQ9, L98, and compatible cathedral-port LY6 and L76 applications, this intake manifold is ideal for classic muscle cars, street rods, hot rods, trucks, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eWhether you're performing an LS1 carb conversion, upgrading a 5.3 LS truck, or installing a carbureted LS engine into a classic muscle car, this black dual-plane intake manifold delivers the drivability, simplicity, and performance enthusiasts demand.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Cathedral-Port Carbureted Dual Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The dual-plane design separates intake runners to help improve mixture distribution and street-friendly performance while maintaining excellent drivability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe dual-plane runner design promotes efficient airflow distribution, helping improve throttle response, torque production, and overall engine performance. Its design makes it an ideal choice for cruising, weekend performance vehicles, street rods, hot rods, and classic muscle car LS swap projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS CATHEDRAL-PORT ENGINES\u003cbr\u003e• 4.8L \/ 293 in³ (LR4, LY2)\u003cbr\u003e• 5.3L \/ 325 in³ (LM7, L59, LM4, L33, LH6, LC9, LH8)\u003cbr\u003e• 5.7L \/ 346 in³ (LS1, LS6)\u003cbr\u003e• 6.0L \/ 364 in³ (LQ4, LQ9, L98, LS2, LY6*, L76*)\u003cbr\u003e* Cathedral-port applications only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• Chevrolet Suburban\u003cbr\u003e• GMC Yukon\u003cbr\u003e• Chevrolet Avalanche\u003cbr\u003e• Escalade\u003cbr\u003e• Pontiac GTO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS cathedral-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Dual-plane intake manifold design\u003cbr\u003e• Square-bore 4-barrel carburetor flange\u003cbr\u003e• Verify carburetor, ignition, fuel system, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS3, L92, L99, LS7, LS9, LSA, or Gen V LT cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-6,500 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eColor: Black\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.070 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 6.140 in.\u003cbr\u003eSingle Or Dual Plane Type: Dual Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970055479592,"sku":"81130BK","price":356.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81130BK_01.jpg?v=1739820167"},{"product_id":"gm-ls-cathedral-port-carbureted-dual-plane-aluminum-intake-manifold-satin","title":"GM LS Cathedral Port Carbureted Dual Plane Aluminum Intake Manifold - Satin","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral-Port Carbureted Dual Plane Aluminum Intake Manifold. Designed for Chevrolet LS cathedral-port engines, this satin aluminum intake manifold provides a simple and effective solution for LS carburetor conversions, street performance builds, muscle cars, hot rods, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eEngineered with a dual-plane runner design, this LS carbureted intake manifold is optimized to deliver strong throttle response, excellent drivability, and \u003cspan data-teams=\"true\"\u003ebalanced power throughout the 1500-6500RPM operating range\u003c\/span\u003e. The dual-plane configuration helps improve low- and mid-range performance, making it an excellent choice for street-driven vehicles and performance applications seeking broad power delivery.\u003c\/p\u003e\n\u003cp\u003eConstructed from lightweight aluminum with a satin finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The square-bore carburetor flange supports popular 4-barrel carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit Chevrolet LS cathedral-port engines including LS1, LS6, LS2, LM7, L59, LM4, L33, LH6, LC9, LH8, LQ4, LQ9, L98, and compatible cathedral-port LY6 and L76 applications, this intake manifold is ideal for classic muscle cars, street rods, hot rods, trucks, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eWhether you're performing an LS1 carb conversion, upgrading a 5.3 LS truck, or installing a carbureted LS engine into a classic muscle car, this satin dual-plane intake manifold delivers the drivability, simplicity, and performance enthusiasts demand.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDual Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Cathedral-Port Carbureted Dual Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The dual-plane design separates intake runners to help improve mixture distribution and street-friendly performance while maintaining excellent drivability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe dual-plane runner design promotes efficient airflow distribution, helping improve throttle response, torque production, and overall engine performance. Its design makes it an ideal choice for cruising, weekend performance vehicles, street rods, hot rods, and classic muscle car LS swap projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS CATHEDRAL-PORT ENGINES\u003cbr\u003e• 4.8L \/ 293 in³ (LR4, LY2)\u003cbr\u003e• 5.3L \/ 325 in³ (LM7, L59, LM4, L33, LH6, LC9, LH8)\u003cbr\u003e• 5.7L \/ 346 in³ (LS1, LS6)\u003cbr\u003e• 6.0L \/ 364 in³ (LQ4, LQ9, L98, LS2, LY6*, L76*)\u003cbr\u003e* Cathedral-port applications only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• Chevrolet Suburban\u003cbr\u003e• GMC Yukon\u003cbr\u003e• Chevrolet Avalanche\u003cbr\u003e• Escalade\u003cbr\u003e• Pontiac GTO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS cathedral-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Dual-plane intake manifold design\u003cbr\u003e• Square-bore 4-barrel carburetor flange\u003cbr\u003e• Verify carburetor, ignition, fuel system, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS3, L92, L99, LS7, LS9, LSA, or Gen V LT cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-6,500 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eColor: Satin\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.070 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 6.140 in.\u003cbr\u003eSingle Or Dual Plane Type: Dual Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970058297640,"sku":"81130","price":332.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81130_01.jpg?v=1739820167"},{"product_id":"gm-ls-rectangle-port-carbureted-single-plane-aluminum-intake-manifold-black","title":"GM LS Rectangle Port Carbureted Single Plane Aluminum Intake Manifold - Black","description":"\u003cp\u003e\u003cspan\u003eConvert your LS-powered build to a traditional carbureted induction system with the Top Street Performance GM LS Rectangle-Port Carbureted Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS rectangle-port engines, this black aluminum intake manifold provides a straightforward solution for LS carburetor conversions, performance builds, hot rods, muscle cars, and custom LS swap projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered with a single-plane runner design, this LS carbureted intake manifold is optimized to support increased airflow demand while maintaining excellent performance throughout the 2,500-7,000 RPM operating range. The open-plenum design promotes efficient airflow distribution, making it an excellent choice for naturally aspirated and power-adder combinations seeking improved induction performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from lightweight aluminum with a black finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The 4150 square-bore carburetor flange supports popular 4-barrel carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to fit Chevrolet LS rectangle-port engines including LY6, L76, L96, LS3, L92, L99, L9H, and L94 applications, this intake manifold is ideal for muscle cars, street rods, trucks, SUVs, race vehicles, and custom LS conversion projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're performing an LS3 carb conversion, upgrading a Silverado HD LY6 build, converting an L94-powered SUV, or installing a carbureted LS engine into a classic muscle car, this black single-plane intake manifold delivers the airflow capacity, simplicity, and performance enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Rectangle-Port Carbureted Single Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The single-plane design utilizes a common plenum layout that promotes increased airflow and performance potential while maintaining compatibility with popular 4150-style carburetors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to operate throughout the 2,500-7,000 RPM range, this single-plane intake manifold supports increased airflow demand and strong performance characteristics for street performance vehicles, hot rods, muscle cars, race applications, and LS-powered builds. The open-plenum design makes it an excellent choice for enthusiasts seeking a performance-focused carbureted induction system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS RECTANGLE-PORT ENGINES\u003cbr\u003e• 6.0L \/ 364 in³ (LY6, L76, L96)\u003cbr\u003e• 6.2L \/ 376 in³ (LS3, L92, L99, L9H, L94)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003eChevrolet Silverado\u003cbr\u003eGMC Sierra\u003cbr\u003eChevrolet Camaro\u003cbr\u003eChevrolet Corvette\u003cbr\u003eChevrolet Tahoe\u003cbr\u003eCTS-V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS rectangle-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• 4150 square-bore carburetor flange\u003cbr\u003e• Verify carburetor, ignition, fuel system, distributor, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS1, LS6, LS2, LR4, LM7, LQ4, LQ9, or other cathedral-port cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Black\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970067702056,"sku":"81131BK","price":347.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81131BK_01.jpg?v=1739819504"},{"product_id":"gm-ls-rectangle-port-carbureted-single-plane-aluminum-intake-manifold-satin","title":"GM LS Rectangle Port Carbureted Single Plane Aluminum Intake Manifold - Satin","description":"\u003cp\u003e\u003cspan\u003eConvert your LS-powered build to a traditional carbureted induction system with the Top Street Performance GM LS Rectangle-Port Carbureted Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS rectangle-port engines, this satin aluminum intake manifold provides a straightforward solution for LS carburetor conversions, performance builds, hot rods, muscle cars, and custom LS swap projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEngineered with a single-plane runner design, this LS carbureted intake manifold is optimized to support increased airflow demand while maintaining excellent performance throughout the 2,500-7,000 RPM operating range. The open-plenum design promotes efficient airflow distribution, making it an excellent choice for naturally aspirated and power-adder combinations seeking improved induction performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eConstructed from lightweight aluminum with a satin finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The 4150 square-bore carburetor flange supports popular 4-barrel carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to fit Chevrolet LS rectangle-port engines including LY6, L76, L96, LS3, L92, L99, L9H, and L94 applications, this intake manifold is ideal for muscle cars, street rods, trucks, SUVs, race vehicles, and custom LS conversion projects.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're performing an LS3 carb conversion, upgrading a Silverado HD LY6 build, converting an L94-powered SUV, or installing a carbureted LS engine into a classic muscle car, this satin single-plane intake manifold delivers the airflow capacity, simplicity, and performance enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Rectangle-Port Carbureted Single Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The single-plane design utilizes a common plenum layout that promotes increased airflow and performance potential while maintaining compatibility with popular 4150-style carburetors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to operate throughout the 2,500-7,000 RPM range, this single-plane intake manifold supports increased airflow demand and strong performance characteristics for street performance vehicles, hot rods, muscle cars, race applications, and LS-powered builds. The open-plenum design makes it an excellent choice for enthusiasts seeking a performance-focused carbureted induction system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS RECTANGLE-PORT ENGINES\u003cbr\u003e• 6.0L \/ 364 in³ (LY6, L76, L96)\u003cbr\u003e• 6.2L \/ 376 in³ (LS3, L92, L99, L9H, L94)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003eChevrolet Silverado\u003cbr\u003eGMC Sierra\u003cbr\u003eChevrolet Camaro\u003cbr\u003eChevrolet Corvette\u003cbr\u003eChevrolet Tahoe\u003cbr\u003eCTS-V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS rectangle-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• 4150 square-bore carburetor flange\u003cbr\u003e• Verify carburetor, ignition, fuel system, distributor, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS1, LS6, LS2, LR4, LM7, LQ4, LQ9, or other cathedral-port cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Satin\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970072125736,"sku":"81131","price":322.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81131_01.jpg?v=1739819504"},{"product_id":"gm-ls-cathedral-port-carbureted-single-plane-aluminum-intake-manifold-black","title":"GM LS Cathedral Port Carbureted Single Plane Aluminum Intake Manifold - Black","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral-Port Carbureted Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS cathedral-port engines, this black aluminum intake manifold provides a straightforward solution for LS carburetor conversions, performance street vehicles, hot rods, muscle cars, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eEngineered with a single-plane runner design, this LS carbureted intake manifold is optimized to support increased airflow demand throughout the 2,500-7,000 RPM operating range. The open-plenum design promotes efficient airflow distribution, making it an excellent choice for naturally aspirated and power-adder combinations seeking improved induction performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eConstructed from lightweight aluminum with a black finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The 4150 square-bore carburetor flange supports popular 4-barrel carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit Chevrolet LS cathedral-port engines including LR4, LY2, LM7, L59, LM4, L33, LH6, LC9, LH8, LS1, LS6, LQ4, LQ9, L98, and LS2 applications, this intake manifold is ideal for muscle cars, street rods, trucks, SUVs, race vehicles, and custom LS conversion projects.\u003c\/p\u003e\n\u003cp\u003eWhether you're performing an LS1 carb conversion or installing a carbureted LS engine into a classic muscle car, this black single-plane intake manifold delivers the airflow capacity, simplicity, and performance enthusiasts demand.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Cathedral-Port Carbureted Single Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The single-plane design utilizes a common plenum layout that promotes increased airflow and performance potential while maintaining compatibility with popular 4150-style carburetors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to operate throughout the 2,500-7,000 RPM range, this single-plane intake manifold supports increased airflow demand and strong performance characteristics for street performance vehicles, hot rods, muscle cars, race applications, and LS-powered builds. The open-plenum design makes it an excellent choice for enthusiasts seeking a performance-focused carbureted induction system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS CATHEDRAL-PORT ENGINES\u003cbr\u003e• 4.8L \/ 293 in³ (LR4, LY2)\u003cbr\u003e• 5.3L \/ 325 in³ (LM7, L59, LM4, L33, LH6, LC9, LH8)\u003cbr\u003e• 5.7L \/ 346 in³ (LS1, LS6)\u003cbr\u003e• 6.0L \/ 364 in³ (LQ4, LQ9, L98, LS2)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• Chevrolet Suburban\u003cbr\u003e• GMC Yukon\u003cbr\u003e• Chevrolet Avalanche\u003cbr\u003e• Escalade\u003cbr\u003e• Pontiac GTO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS cathedral-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• 4150 square-bore carburetor flange\u003cbr\u003e• Supports the published 2,500-7,000 RPM operating range\u003cbr\u003e• Verify carburetor, ignition, fuel system, distributor, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS3, L92, L99, L94, L9H, L76, LY6, L96, LS7, LS9, LSA, or Gen V LT cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Black\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970078023976,"sku":"81132BK","price":356.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81132BK_01.jpg?v=1739818917"},{"product_id":"gm-ls-cathedral-port-carbureted-single-plane-aluminum-intake-manifold-satin","title":"GM LS Cathedral Port Carbureted Single Plane Aluminum Intake Manifold - Satin","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral-Port Carbureted Single Plane Aluminum Intake Manifold. Designed for Chevrolet LS cathedral-port engines, this satin aluminum intake manifold provides a straightforward solution for LS carburetor conversions, performance street vehicles, hot rods, muscle cars, and custom LS swap projects.\u003c\/p\u003e\n\u003cp\u003eEngineered with a single-plane runner design, this LS carbureted intake manifold is optimized to support increased airflow demand throughout the 2,500-7,000 RPM operating range. The open-plenum design promotes efficient airflow distribution, making it an excellent choice for naturally aspirated and power-adder combinations seeking improved induction performance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eConstructed from lightweight aluminum with a satin finish, this intake manifold provides durability, corrosion resistance, and a clean performance appearance. The 4150 square-bore carburetor flange supports popular 4-barrel carburetor configurations while allowing builders to eliminate factory EFI components and simplify engine management requirements.\u003c\/p\u003e\n\u003cp\u003eDesigned to fit Chevrolet LS cathedral-port engines including LR4, LY2, LM7, L59, LM4, L33, LH6, LC9, LH8, LS1, LS6, LQ4, LQ9, L98, and LS2 applications, this intake manifold is ideal for muscle cars, street rods, trucks, SUVs, race vehicles, and custom LS conversion projects.\u003c\/p\u003e\n\u003cp\u003eWhether you're performing an LS1 carb conversion or installing a carbureted LS engine into a classic muscle car, this satin single-plane intake manifold delivers the airflow capacity, simplicity, and performance enthusiasts demand.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSingle Plane Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Cathedral-Port Carbureted Single Plane Intake Manifold is engineered for enthusiasts looking to convert modern LS engines to a traditional carbureted induction system. The single-plane design utilizes a common plenum layout that promotes increased airflow and performance potential while maintaining compatibility with popular 4150-style carburetors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to operate throughout the 2,500-7,000 RPM range, this single-plane intake manifold supports increased airflow demand and strong performance characteristics for street performance vehicles, hot rods, muscle cars, race applications, and LS-powered builds. The open-plenum design makes it an excellent choice for enthusiasts seeking a performance-focused carbureted induction system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET LS CATHEDRAL-PORT ENGINES\u003cbr\u003e• 4.8L \/ 293 in³ (LR4, LY2)\u003cbr\u003e• 5.3L \/ 325 in³ (LM7, L59, LM4, L33, LH6, LC9, LH8)\u003cbr\u003e• 5.7L \/ 346 in³ (LS1, LS6)\u003cbr\u003e• 6.0L \/ 364 in³ (LQ4, LQ9, L98, LS2)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• Chevrolet Suburban\u003cbr\u003e• GMC Yukon\u003cbr\u003e• Chevrolet Avalanche\u003cbr\u003e• Escalade\u003cbr\u003e• Pontiac GTO\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet LS cathedral-port engines only\u003cbr\u003e• Designed for carbureted fuel systems\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• 4150 square-bore carburetor flange\u003cbr\u003e• Supports the published 2,500-7,000 RPM operating range\u003cbr\u003e• Verify carburetor, ignition, fuel system, distributor, and hood clearance compatibility before installation\u003cbr\u003e• Not compatible with LS3, L92, L99, L94, L9H, L76, LY6, L96, LS7, LS9, LSA, or Gen V LT cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 2,500-7,000 RPM\u003cbr\u003eCarburetor Flange Style: 4150 Square Bore\u003cbr\u003eCarburetor Quantity: 1\u003cbr\u003eCenter Maximum Height: 5.417 in.\u003cbr\u003eColor: Satin\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: No\u003cbr\u003eFront Maximum Height: 5.417 in.\u003cbr\u003eFuel System Type: Carbureted\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 5.417 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49970078548264,"sku":"81132","price":332.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81132_01.jpg?v=1739818917"},{"product_id":"gm-ls-rectangle-port-v-series-billet-aluminum-low-rise-intake-manifold-black","title":"GM LS Rectangle Port V Series Billet Aluminum Low-Rise Intake Manifold - Black","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Rectangle Port V Series Billet Aluminum Low-Rise Intake Manifold. Designed for GM Gen IV rectangle port LS engines, including 4.8L, 5.3L, 6.0L, 6.2L, and 7.0L applications, this LS billet intake manifold combines premium T-6061 billet aluminum construction, exceptional airflow capability, and a low-rise design ideal for street performance, racing, truck builds, and LS swap projects.\u003c\/p\u003e\n\u003cp\u003eFresh off its award-winning appearance at the 2024 SEMA Show, the V Series intake manifold was engineered to improve airflow efficiency, enhance throttle response, and support high-horsepower EFI engine combinations. The low-rise design helps maximize hood clearance in many LS swap and performance vehicle applications while maintaining the airflow capacity required for serious street and competition builds.\u003c\/p\u003e\n\u003cp\u003ePrecision-machined from T-6061 billet aluminum, this LS rectangle port intake manifold delivers exceptional strength, durability, and serviceability. The modular construction simplifies installation and maintenance, while the included custom V Series fuel rails provide a clean, professional appearance and support modern EFI fuel systems.\u003c\/p\u003e\n\u003cp\u003eWhether you're upgrading a 5.3 LS intake manifold, building a high-performance 6.0 LS combination, improving airflow on a 6.2 LS engine, or completing a custom 7.0 LS project, this billet aluminum intake manifold delivers the airflow, serviceability, and performance potential demanded by today's LS enthusiasts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Aluminum Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance V Series Intake Manifold is manufactured from premium T-6061 billet aluminum and engineered specifically for GM Gen IV rectangle port LS engines. Precision-machined construction provides exceptional durability, premium appearance, and improved serviceability for street, racing, and LS swap applications. The modular design allows easier maintenance and future upgrades while delivering a standout engine bay appearance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eDesigned to improve airflow efficiency and throttle response, this LS billet intake manifold supports naturally aspirated and boosted EFI engine combinations. The low-rise configuration helps improve hood clearance in many LS swap and performance vehicle applications while maintaining the airflow capability required for high-horsepower street and competition builds.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM Gen IV Rectangle Port LS Engines\u003cbr\u003e• 4.8 L \/ 293 in3\u003cbr\u003e• 5.3 L \/ 325 in3 \u003cbr\u003e• 6.0 L \/ 364 in3 \u003cbr\u003e• 6.2 L \/ 376 in3 \u003cbr\u003e• 7.0 L \/ 428 in3 \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro LS builds\u003cbr\u003e• Chevrolet Corvette LS builds\u003cbr\u003e• Chevrolet Silverado performance projects\u003cbr\u003e• Chevrolet C10 LS swaps\u003cbr\u003e• Chevrolet Chevelle LS conversions\u003cbr\u003e• Pontiac GTO LS projects\u003cbr\u003e• Custom street rods and restomods\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits GM Gen IV rectangle port LS cylinder heads\u003cbr\u003e• Designed for electronic fuel injection applications\u003cbr\u003e• Includes custom V Series fuel rails\u003cbr\u003e• Features Gen IV 3-Bar MAP sensor provision\u003cbr\u003e• Uses EV1 injector provisions\u003cbr\u003e• Billet aluminum construction with natural finish\u003cbr\u003e• Low-rise design helps improve hood clearance in many applications\u003cbr\u003e• Verify throttle body, fuel system, injector, and hood clearance before installation\u003cbr\u003e• Not compatible with cathedral port LS cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eCenter Maximum Height: 8.750 in.\u003cbr\u003eColor: Silver\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: Yes\u003cbr\u003eFront Maximum Height: 8.286 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Silver\u003cbr\u003eFuel Rail Finish: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: -10 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Natural\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003ePlenum Thickness: 8 mm\u003cbr\u003eRear Maximum Height: 7.132 in.\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: Yes\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eRunner Length: 3.000 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":50010216038696,"sku":"81412BK","price":4395.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81412BK_01.jpg?v=1761752952"},{"product_id":"gm-ls-cathedral-port-v-series-billet-aluminum-mid-rise-intake-manifold-natural","title":"GM LS Cathedral Port V Series Billet Aluminum Mid-Rise Intake Manifold - Natural","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral Port V Series Billet Aluminum Mid-Rise Intake Manifold. Designed for GM Gen III cathedral port LS engines, this premium billet aluminum intake manifold delivers exceptional airflow, modular serviceability, and race-inspired styling for high-performance street, street\/strip, drag racing, and LS swap applications.\u003c\/p\u003e\n\u003cp\u003eFresh off its award-winning appearance at the 2024 SEMA Show, the V Series intake manifold was engineered to maximize airflow efficiency and support serious horsepower potential. The single-plane mid-rise design provides increased plenum volume and optimized runner geometry to help improve airflow at higher RPM levels while maintaining excellent throttle response throughout the powerband. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufactured from precision-machined T-6061 billet aluminum, this LS cathedral port intake manifold delivers exceptional durability, premium appearance, and long-term serviceability. The modular construction allows easier maintenance and future upgrades, while the included custom V Series fuel rails help create a clean, professional engine bay appearance. Designed for electronic fuel injection applications, the manifold incorporates a 102.2mm throttle body opening, EV1 injector provisions, and a Gen IV 3-bar MAP sensor port. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you're building a high-performance 5.3 LS, upgrading a 6.0 LS combination, assembling a turbocharged LS project, or completing a dedicated race-oriented LS swap, this billet aluminum intake manifold delivers the airflow capacity, tuning flexibility, and performance potential demanded by serious LS enthusiasts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Aluminum Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance V Series Mid-Rise Intake Manifold is precision machined from premium T-6061 billet aluminum and engineered specifically for GM Gen III cathedral port LS engines. Its modular design allows simplified maintenance and future upgrades while delivering the durability, appearance, and performance expected from a premium LS induction system. The included V Series fuel rail package provides a complete performance-focused solution for EFI LS applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-RPM Performance Benefits\u003c\/strong\u003e\u003cbr\u003eThe single-plane mid-rise design is engineered to maximize airflow and support high-performance engine combinations operating from 1,500 to 9,000 RPM. Increased plenum volume and optimized runner design help improve airflow efficiency, making this intake manifold an excellent choice for naturally aspirated, turbocharged, supercharged, and competition-oriented LS builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM Gen III Cathedral Port LS Engines\u003cbr\u003e• 4.8 L \/ 293 in3\u003cbr\u003e• 5.3 L \/ 325 in3\u003cbr\u003e• 5.7 L \/ 346 in3\u003cbr\u003e• 6.0 L \/ 364 in3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado LS builds\u003cbr\u003e• GMC Sierra LS projects\u003cbr\u003e• Chevrolet Camaro LS swaps\u003cbr\u003e• Chevrolet Corvette LS applications\u003cbr\u003e• Chevrolet Tahoe performance builds\u003cbr\u003e• Cadillac CTS-V LS projects\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits GM Gen III cathedral port LS cylinder heads\u003cbr\u003e• Designed for electronic fuel injection applications\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• Includes custom V Series fuel rails\u003cbr\u003e• Features Gen IV 3-bar MAP sensor provision\u003cbr\u003e• Uses EV1 injector provisions\u003cbr\u003e• Supports 102.2mm throttle body configurations\u003cbr\u003e• Removable top, runners, and throttle body flange simplify maintenance and upgrades\u003cbr\u003e• Verify throttle body, fuel system, injector, and hood clearance before installation\u003cbr\u003e• Not compatible with rectangle port LS cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eCenter Maximum Height: 10.550 in.\u003cbr\u003eColor: Silver\u003cbr\u003eDeck Height: Standard\u003cbr\u003eFront Maximum Height: 10.086 in.\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 8.933 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eEGR Port: Yes\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Silver\u003cbr\u003eFuel Rail Finish: Natural\u003cbr\u003eFuel Rail Fitting Thread Diameter: -10 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Natural\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003ePlenum Thickness: 8 mm\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: Yes\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eRunner Length: 4.800 in.\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":50550804545832,"sku":"81407","price":2918.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81407_01.jpg?v=1765238513"},{"product_id":"gm-ls-cathedral-port-v-series-billet-aluminum-mid-rise-intake-manifold-black","title":"GM LS Cathedral Port V Series Billet Aluminum Mid-Rise Intake Manifold - Black","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Cathedral Port V Series Billet Aluminum Mid-Rise Intake Manifold. Designed for GM Gen III cathedral port LS engines, this premium billet aluminum intake manifold delivers exceptional airflow, modular serviceability, and race-inspired styling for high-performance street, street\/strip, drag racing, and LS swap applications.\u003c\/p\u003e\n\u003cp\u003eFresh off its award-winning appearance at the 2024 SEMA Show, the V Series intake manifold was engineered to maximize airflow efficiency and support serious horsepower potential. The single-plane mid-rise design provides increased plenum volume and optimized runner geometry to help improve airflow at higher RPM levels while maintaining excellent throttle response throughout the powerband. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eManufactured from precision-machined T-6061 billet aluminum, this LS cathedral port intake manifold delivers exceptional durability, premium appearance, and long-term serviceability. The modular construction allows easier maintenance and future upgrades, while the included custom V Series fuel rails help create a clean, professional engine bay appearance. Designed for electronic fuel injection applications, the manifold incorporates a 102.2mm throttle body opening, EV1 injector provisions, and a Gen IV 3-bar MAP sensor port. \u003cspan data-state=\"closed\" class=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWhether you're building a high-performance 5.3 LS, upgrading a 6.0 LS combination, assembling a turbocharged LS project, or completing a dedicated race-oriented LS swap, this billet aluminum intake manifold delivers the airflow capacity, tuning flexibility, and performance potential demanded by serious LS enthusiasts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Aluminum Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance V Series Mid-Rise Intake Manifold is precision machined from premium T-6061 billet aluminum and engineered specifically for GM Gen III cathedral port LS engines. Its modular design allows simplified maintenance and future upgrades while delivering the durability, appearance, and performance expected from a premium LS induction system. The included V Series fuel rail package provides a complete performance-focused solution for EFI LS applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-RPM Performance Benefits\u003c\/strong\u003e\u003cbr\u003eThe single-plane mid-rise design is engineered to maximize airflow and support high-performance engine combinations operating from 1,500 to 9,000 RPM. Increased plenum volume and optimized runner design help improve airflow efficiency, making this intake manifold an excellent choice for naturally aspirated, turbocharged, supercharged, and competition-oriented LS builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM Gen III Cathedral Port LS Engines\u003cbr\u003e• 4.8 L \/ 293 in3\u003cbr\u003e• 5.3 L \/ 325 in3\u003cbr\u003e• 5.7 L \/ 346 in3\u003cbr\u003e• 6.0 L \/ 364 in3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado LS builds\u003cbr\u003e• GMC Sierra LS projects\u003cbr\u003e• Chevrolet Camaro LS swaps\u003cbr\u003e• Chevrolet Corvette LS applications\u003cbr\u003e• Chevrolet Tahoe performance builds\u003cbr\u003e• Cadillac CTS-V LS projects\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits GM Gen III cathedral port LS cylinder heads\u003cbr\u003e• Designed for electronic fuel injection applications\u003cbr\u003e• Single-plane intake manifold design\u003cbr\u003e• Includes custom V Series fuel rails\u003cbr\u003e• Features Gen IV 3-bar MAP sensor provision\u003cbr\u003e• Uses EV1 injector provisions\u003cbr\u003e• Supports 102.2mm throttle body configurations\u003cbr\u003e• Removable top, runners, and throttle body flange simplify maintenance and upgrades\u003cbr\u003e• Verify throttle body, fuel system, injector, and hood clearance before installation\u003cbr\u003e• Not compatible with rectangle port LS cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eCenter Maximum Height: 10.550 in.\u003cbr\u003eColor: Silver\u003cbr\u003eDeck Height: Standard\u003cbr\u003eFront Maximum Height: 10.086 in.\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRear Maximum Height: 8.933 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eEGR Port: Yes\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Silver\u003cbr\u003eFuel Rail Finish: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: -10 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Black\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003ePlenum Thickness: 8 mm\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: Yes\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eRunner Length: 4.800 in.\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":50550814441768,"sku":"81407BK","price":4560.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81407BK_01.jpg?v=1770048439"},{"product_id":"gm-ls-rectangle-port-v-series-billet-aluminum-hi-rise-intake-natural","title":"GM LS Rectangle Port V Series Billet Aluminum Hi-Rise Intake - Natural","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Rectangle Port V-Series Billet Aluminum Hi-Rise Intake Manifold. Designed for Chevrolet Small Block V8 Gen III (LS-Based) 6.2L \/ 376ci applications, this premium billet aluminum intake manifold delivers exceptional airflow capacity, modular serviceability, and race-inspired styling for high-performance street, drag racing, and competition builds.\u003c\/p\u003e\n\u003cp\u003eFresh off its award-winning appearance at the 2024 SEMA Show, the V-Series intake manifold was engineered to maximize airflow efficiency and support serious horsepower potential. The single-plane hi-rise design features increased plenum volume and optimized runner geometry to improve airflow at higher engine speeds, making it an excellent choice for naturally aspirated, turbocharged, and supercharged engine combinations.\u003c\/p\u003e\n\u003cp\u003eManufactured from precision-machined T-6061 billet aluminum, this LS intake manifold provides exceptional strength, durability, and premium appearance. The modular design simplifies installation, maintenance, and future upgrades, while the included custom V-Series fuel rails help create a clean, professional engine bay appearance.\u003c\/p\u003e\n\u003cp\u003eDesigned for electronic fuel injection applications, the manifold utilizes a stock LS3 throttle body bolt pattern, high-flow plenum design, EV1 injector provisions, and Gen IV 3-Bar MAP sensor compatibility.\u003c\/p\u003e\n\u003cp\u003eWhether you're building a high-performance 6.2L LS street car, race vehicle, restomod, or LS swap project, this billet aluminum intake manifold delivers the airflow capacity, tuning flexibility, and performance potential demanded by serious LS enthusiasts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Aluminum Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance V-Series Hi-Rise Intake Manifold is precision machined from premium T-6061 billet aluminum and engineered for high-performance LS applications. The modular design simplifies maintenance and future upgrades while delivering the durability, appearance, and airflow performance expected from a premium induction system. Included V-Series fuel rails provide a complete EFI-ready solution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-RPM Performance Benefits\u003c\/strong\u003e\u003cbr\u003eThe single-plane hi-rise design is engineered to maximize airflow and support serious horsepower levels. Increased plenum volume and optimized runner design help improve airflow efficiency at elevated RPM, making this intake manifold ideal for street\/strip, drag racing, boosted, and competition-oriented applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET SMALL BLOCK V8 GEN. III (LS BASED)\u003cbr\u003e• 6.2 L \/ 376 in3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• CTS-V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet Small Block V8 Gen III (LS-Based) 6.2L \/ 376ci applications\u003cbr\u003e• Single-plane hi-rise intake manifold design\u003cbr\u003e• Billet T-6061 aluminum construction\u003cbr\u003e• Includes custom V-Series fuel rails\u003cbr\u003e• Uses stock LS3 throttle body bolt pattern\u003cbr\u003e• Features Gen IV 3-Bar MAP sensor provision\u003cbr\u003e• Supports electronic fuel injection systems\u003cbr\u003e• Verify cylinder head configuration, throttle body compatibility, fuel system requirements, and hood clearance before installation\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eCenter Maximum Height: 10.550 in.\u003cbr\u003eColor: Silver\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: Yes\u003cbr\u003eFront Maximum Height: 10.086 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Silver\u003cbr\u003eFuel Rail Finish: Natural\u003cbr\u003eFuel Rail Fitting Thread Diameter: -10 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Natural\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003ePlenum Thickness: 8 mm\u003cbr\u003eRear Maximum Height: 8.933 in.\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: Yes\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eRunner Length: 4.800 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":50586680426792,"sku":"81413","price":3648.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81413_01.jpg?v=1755888401"},{"product_id":"gm-ls-rectangle-port-v-series-billet-aluminum-hi-rise-intake-black","title":"GM LS Rectangle Port V Series Billet Aluminum Hi-Rise Intake - Black","description":"\u003cp\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Rectangle Port V-Series Billet Aluminum Hi-Rise Intake Manifold. Designed for Chevrolet Small Block V8 Gen III (LS-Based) 6.2L \/ 376ci applications, this premium billet aluminum intake manifold delivers exceptional airflow capacity, modular serviceability, and race-inspired styling for high-performance street, drag racing, and competition builds.\u003c\/p\u003e\n\u003cp\u003eFresh off its award-winning appearance at the 2024 SEMA Show, the V-Series intake manifold was engineered to maximize airflow efficiency and support serious horsepower potential. The single-plane hi-rise design features increased plenum volume and optimized runner geometry to improve airflow at higher engine speeds, making it an excellent choice for naturally aspirated, turbocharged, and supercharged engine combinations.\u003c\/p\u003e\n\u003cp\u003eManufactured from precision-machined T-6061 billet aluminum, this LS intake manifold provides exceptional strength, durability, and premium appearance. The modular design simplifies installation, maintenance, and future upgrades, while the included custom V-Series fuel rails help create a clean, professional engine bay appearance.\u003c\/p\u003e\n\u003cp\u003eDesigned for electronic fuel injection applications, the manifold utilizes a stock LS3 throttle body bolt pattern, high-flow plenum design, EV1 injector provisions, and Gen IV 3-Bar MAP sensor compatibility.\u003c\/p\u003e\n\u003cp\u003eWhether you're building a high-performance 6.2L LS street car, race vehicle, restomod, or LS swap project, this billet aluminum intake manifold delivers the airflow capacity, tuning flexibility, and performance potential demanded by serious LS enthusiasts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBillet Aluminum Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance V-Series Hi-Rise Intake Manifold is precision machined from premium T-6061 billet aluminum and engineered for high-performance LS applications. The modular design simplifies maintenance and future upgrades while delivering the durability, appearance, and airflow performance expected from a premium induction system. Included V-Series fuel rails provide a complete EFI-ready solution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-RPM Performance Benefits\u003c\/strong\u003e\u003cbr\u003eThe single-plane hi-rise design is engineered to maximize airflow and support serious horsepower levels. Increased plenum volume and optimized runner design help improve airflow efficiency at elevated RPM, making this intake manifold ideal for street\/strip, drag racing, boosted, and competition-oriented applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eCHEVROLET SMALL BLOCK V8 GEN. III (LS BASED)\u003cbr\u003e• 6.2 L \/ 376 in3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Silverado\u003cbr\u003e• GMC Sierra\u003cbr\u003e• Chevrolet Camaro\u003cbr\u003e• Chevrolet Corvette\u003cbr\u003e• Chevrolet Tahoe\u003cbr\u003e• CTS-V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits Chevrolet Small Block V8 Gen III (LS-Based) 6.2L \/ 376ci applications\u003cbr\u003e• Single-plane hi-rise intake manifold design\u003cbr\u003e• Billet T-6061 aluminum construction\u003cbr\u003e• Includes custom V-Series fuel rails\u003cbr\u003e• Uses stock LS3 throttle body bolt pattern\u003cbr\u003e• Features Gen IV 3-Bar MAP sensor provision\u003cbr\u003e• Supports electronic fuel injection systems\u003cbr\u003e• Verify cylinder head configuration, throttle body compatibility, fuel system requirements, and hood clearance before installation\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eCenter Maximum Height: 10.550 in.\u003cbr\u003eColor: Silver\u003cbr\u003eDeck Height: Standard\u003cbr\u003eEGR Port: Yes\u003cbr\u003eFront Maximum Height: 10.086 in.\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: EV1\u003cbr\u003eFuel Rail Color: Silver\u003cbr\u003eFuel Rail Finish: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: -10 AN\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Black\u003cbr\u003eMaterial: Aluminum\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003ePlenum Thickness: 8 mm\u003cbr\u003eRear Maximum Height: 8.933 in.\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: Yes\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eRunner Length: 4.800 in.\u003cbr\u003eSingle Or Dual Plane Type: Single Plane\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":50586687799592,"sku":"81413BK","price":4560.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81413BK_01.jpg?v=1767632623"},{"product_id":"gm-ls-gen-iii-cathedral-port-carbon-fiber-low-rise-intake-manifold","title":"GM LS Gen III Cathedral Port Carbon Fiber Low-Rise Intake Manifold","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Gen III Cathedral Port Carbon Fiber Low-Rise Intake Manifold. Engineered for LS1, LS6, 4.8L, 5.3L, 5.7L, and 6.0L cathedral-port engines, this LS carbon fiber intake manifold combines lightweight construction, exceptional airflow capability, and modern performance styling for street, track, and LS swap applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConstructed from premium carbon fiber with precision-machined aluminum flanges, this LS cathedral port intake manifold helps reduce weight while minimizing heat transfer compared to traditional cast aluminum designs. The low-rise runner configuration is engineered to provide excellent airflow and throttle response while maintaining clearance in many performance and engine swap applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for electronic fuel injection systems, this LS EFI intake manifold features a large 102.2mm throttle body opening, Gen IV 3-bar MAP sensor provision, and LS1-style injector compatibility. The removable top design allows easier access for tuning, maintenance, inspection, and future upgrades, making it an excellent choice for enthusiasts building high-performance street vehicles, race cars, restomods, and custom LS swaps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're upgrading an LS1 intake manifold, building a turbocharged 5.3 LS, improving airflow on a 6.0 LS project, or assembling a high-horsepower cathedral-port engine combination, this carbon fiber LS intake manifold delivers the airflow capacity, weight savings, and performance potential serious enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarbon Fiber Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Gen III Cathedral Port Intake Manifold is engineered for enthusiasts seeking maximum airflow, reduced weight, and premium engine bay appearance. Constructed from lightweight carbon fiber with precision-machined aluminum flanges, this intake manifold helps reduce heat transfer while providing the strength required for high-performance applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe low-rise runner design promotes efficient airflow and strong throttle response while maintaining excellent fitment for many street performance and LS swap applications. Designed to support high-horsepower EFI combinations, this LS intake manifold provides the airflow capacity needed for naturally aspirated, nitrous, supercharged, and turbocharged engine builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM Gen III Cathedral Port LS Engines\u003cbr\u003e• 4.8 L \/ 293 in3\u003cbr\u003e• 5.3 L \/ 325 in3\u003cbr\u003e• 5.7 L \/ 346 in3\u003cbr\u003e• 6.0 L \/ 364 in3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro LS swaps\u003cbr\u003e• Chevrolet Corvette LS1 \u0026amp; LS6 applications\u003cbr\u003e• Chevrolet Silverado LS builds\u003cbr\u003e• Chevrolet C10 LS swaps\u003cbr\u003e• Chevrolet Chevelle LS conversions\u003cbr\u003e• Pontiac GTO LS projects\u003cbr\u003e• Custom street rods and restomods\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits GM Gen III cathedral-port LS cylinder heads\u003cbr\u003e• Designed for EFI applications only\u003cbr\u003e• Features a 102.2mm throttle body opening\u003cbr\u003e• Includes black aluminum fuel rails with 10 ORB fittings\u003cbr\u003e• Uses LS1-style injector provisions\u003cbr\u003e• Includes Gen IV 3-bar MAP sensor port\u003cbr\u003e• Removable top design simplifies tuning and maintenance\u003cbr\u003e• Verify throttle body, fuel system, injector, and hood clearance before installation\u003cbr\u003e• Intended for off-road, racing, or exempt applications where applicable\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eColor: Black\u003cbr\u003eDeck Height: Standard\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: 2.55 in. LS1 style\u003cbr\u003eFuel Rail Color: Black\u003cbr\u003eFuel Rail Finish: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: 10 ORB\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Natural\u003cbr\u003eMaterial: Carbon Fiber\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: No\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":51284499726632,"sku":"81631","price":4290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81631-01_a9012cb8-b900-47c1-8d42-3354263db3e4.jpg?v=1779294945"},{"product_id":"gm-ls-gen-iii-cathedral-port-carbon-fiber-hi-rise-intake-manifold","title":"GM LS Gen III Cathedral Port Carbon Fiber Hi-Rise Intake Manifold","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Gen III Cathedral Port Carbon Fiber Hi-Rise Intake Manifold. Engineered for LS1, LS6, 4.8L, 5.3L, 5.7L, and 6.0L cathedral-port engines, this LS carbon fiber intake manifold delivers exceptional airflow, lightweight construction, and high-RPM performance for serious street, drag racing, track, and LS swap applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConstructed from premium carbon fiber with precision-machined aluminum flanges, this LS cathedral port intake manifold helps reduce weight while improving heat management compared to traditional cast aluminum intake manifolds. The hi-rise runner design is engineered to maximize airflow and support increased horsepower potential, making it an excellent choice for naturally aspirated, nitrous, supercharged, and turbocharged LS combinations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for performance applications operating from 1,500 to 9,000 RPM, this LS hi-rise intake manifold provides the airflow capacity required for aggressive camshaft combinations and high-horsepower engine builds. The removable top design allows easy access for tuning, maintenance, and future upgrades, while the included fuel rails help simplify installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're upgrading an LS1 intake manifold, building a turbocharged 5.3 LS, maximizing airflow on a 6.0 LS project, or assembling a dedicated race engine, this carbon fiber LS intake manifold delivers the airflow, weight savings, and performance potential needed for serious LS enthusiasts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarbon Fiber Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Gen III Cathedral Port Hi-Rise Intake Manifold is engineered for maximum airflow, reduced weight, and premium engine bay appearance. Constructed from lightweight carbon fiber with precision-machined aluminum flanges, this intake manifold helps reduce weight while improving heat management for demanding performance applications. The removable top design provides convenient access for tuning, maintenance, and upgrades.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-RPM Performance Benefits\u003c\/strong\u003e\u003cbr\u003eThe hi-rise runner design is engineered to increase airflow efficiency and support higher horsepower levels than traditional intake configurations. Designed for a broad 1,500-9,000 RPM operating range, this LS hi-rise intake manifold is ideal for performance enthusiasts looking to maximize airflow, improve throttle response, and support aggressive engine combinations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM Gen III Cathedral Port LS Engines\u003cbr\u003e• 4.8 L \/ 293 in3\u003cbr\u003e• 5.3 L \/ 325 in3\u003cbr\u003e• 5.7 L \/ 346 in3\u003cbr\u003e• 6.0 L \/ 364 in3\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro LS swaps\u003cbr\u003e• Chevrolet Corvette LS1 \u0026amp; LS6 applications\u003cbr\u003e• Chevrolet Silverado LS builds\u003cbr\u003e• Chevrolet C10 LS conversions\u003cbr\u003e• Chevrolet Chevelle LS swaps\u003cbr\u003e• Pontiac GTO LS projects\u003cbr\u003e• Custom race cars and restomods\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits GM Gen III cathedral-port LS cylinder heads\u003cbr\u003e• Designed for EFI applications only\u003cbr\u003e• Features a 102.2mm throttle body opening\u003cbr\u003e• Includes black aluminum fuel rails with 10 ORB fittings\u003cbr\u003e• Uses LS1-style fuel injector provisions\u003cbr\u003e• Includes Gen IV 3-bar MAP sensor provision\u003cbr\u003e• Removable top design simplifies tuning and maintenance\u003cbr\u003e• Includes mounting hardware and gaskets\u003cbr\u003e• Verify throttle body, fuel system, injector, and hood clearance before installation\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eColor: Black\u003cbr\u003eDeck Height: Standard\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: 2.55 in. LS1 style\u003cbr\u003eFuel Rail Color: Black\u003cbr\u003eFuel Rail Finish: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: 10 ORB\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Cathedral\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Natural\u003cbr\u003eMaterial: Carbon Fiber\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: No\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":51284526137640,"sku":"81632","price":4400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81632_01_e5a2775b-add3-4b81-9c07-45c1c6607604.jpg?v=1773872604"},{"product_id":"gm-ls-gen-iv-rectangle-port-carbon-fiber-low-rise-intake-manifold","title":"GM LS Gen IV Rectangle Port Carbon Fiber Low-Rise Intake Manifold","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Gen IV Rectangle Port Carbon Fiber Low-Rise Intake Manifold. Engineered for LS3, L92, L99, and other GM Gen IV rectangle-port LS engines, this LS carbon fiber intake manifold combines lightweight construction, exceptional airflow capability, and modern performance styling for street performance, track builds, restomods, and LS swap applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConstructed from premium carbon fiber with precision-machined aluminum flanges, this LS rectangle port intake manifold helps reduce weight while minimizing heat soak compared to traditional cast aluminum intake manifolds. The low-rise design provides excellent hood clearance for many vehicle combinations while still delivering the airflow needed for high-performance EFI applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for serious street and performance use, this LS3 intake manifold features a large 102.2mm throttle body opening, removable top design, integrated fuel rail provisions, and compatibility with modern electronic fuel injection systems. The modular construction simplifies installation, tuning, and future upgrades while maintaining a clean, professional appearance under the hood.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're upgrading an LS3 intake manifold, building a 6.0L rectangle-port LS combination, assembling a high-horsepower 6.2L engine, or completing a custom LS swap, this carbon fiber intake manifold delivers the airflow, weight savings, throttle response, and performance potential enthusiasts expect from a premium LS intake upgrade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarbon Fiber Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Gen IV Rectangle Port Carbon Fiber Intake Manifold is engineered for builders who demand maximum airflow, reduced weight, and premium engine bay appearance. Constructed from lightweight carbon fiber with precision-machined aluminum flanges, this intake manifold helps reduce heat soak while providing the durability required for demanding street and performance applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003cbr\u003eThe low-rise runner design provides an excellent balance of airflow capability and vehicle clearance, making it ideal for LS swaps, restomods, street performance builds, and track applications. The carbon fiber construction helps reduce weight while supporting high-horsepower EFI combinations that require efficient airflow and consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM Gen IV Rectangle Port LS Engines\u003cbr\u003e• 6.0 L \/ 364 in3 (LY6, L96 – rectangle port only)\u003cbr\u003e• 6.2 L \/ 376 in3 (LS3, L92, L99)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro LS3 builds\u003cbr\u003e• Chevrolet Corvette LS3 applications\u003cbr\u003e• Chevrolet Silverado performance builds\u003cbr\u003e• Chevrolet C10 LS swaps\u003cbr\u003e• Chevrolet Chevelle LS conversions\u003cbr\u003e• Pontiac GTO LS projects\u003cbr\u003e• Custom street rods and restomods\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits GM Gen IV rectangle-port LS cylinder heads\u003cbr\u003e• Designed for EFI applications only\u003cbr\u003e• Features a 102.2mm throttle body opening\u003cbr\u003e• Includes black aluminum fuel rails with 10 ORB fittings\u003cbr\u003e• Removable top design simplifies installation and tuning\u003cbr\u003e• Carbon fiber construction reduces weight and heat soak\u003cbr\u003e• Verify throttle body, injector, fuel system, and hood clearance before installation\u003cbr\u003e• Not compatible with cathedral-port cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eColor: Black\u003cbr\u003eDeck Height: Standard\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: 2.55 in. LS1 style\u003cbr\u003eFuel Rail Color: Black\u003cbr\u003eFuel Rail Finish: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: 10 ORB\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Natural\u003cbr\u003eMaterial: Carbon Fiber\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: No\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":51284528660776,"sku":"81633","price":4290.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81633_01_8a98f579-1ddb-4c80-9a41-60fa49473613.jpg?v=1773872704"},{"product_id":"gm-ls-gen-iv-rectangle-port-carbon-fiber-hi-rise-intake-manifold","title":"GM LS Gen IV Rectangle Port Carbon Fiber Hi-Rise Intake Manifold","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUpgrade your LS-powered build with the Top Street Performance GM LS Gen IV Rectangle Port Carbon Fiber Hi-Rise Intake Manifold. Designed for LS3, L92, L99, LY6, L76, and other GM Gen IV rectangle-port LS engines, this LS carbon fiber intake manifold delivers exceptional airflow, lightweight construction, and high-RPM performance for serious street, drag racing, track, and LS swap applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConstructed from premium carbon fiber with precision-machined aluminum flanges, this LS rectangle port intake manifold helps reduce weight while minimizing heat soak compared to traditional cast aluminum intake manifolds. The hi-rise runner design is engineered to maximize airflow efficiency and support increased horsepower potential, making it an excellent choice for naturally aspirated, turbocharged, supercharged, and nitrous-assisted LS engine combinations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for high-performance EFI applications, this LS3 hi-rise intake manifold features a large throttle body opening, removable top design, integrated fuel rail provisions, and compatibility with modern electronic fuel injection systems. The modular construction simplifies installation, tuning, maintenance, and future upgrades while providing a clean, professional appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're upgrading an LS3 intake manifold, building a boosted 6.0L combination, maximizing airflow on a 6.2L LS build, or assembling a dedicated race engine, this carbon fiber LS intake manifold delivers the airflow capacity, weight savings, and horsepower potential serious LS enthusiasts demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCarbon Fiber Intake Manifold Technology\u003c\/strong\u003e\u003cbr\u003eThe Top Street Performance LS Gen IV Rectangle Port Carbon Fiber Hi-Rise Intake Manifold is engineered for maximum airflow, reduced weight, and premium engine bay appearance. Constructed from lightweight carbon fiber with CNC-machined aluminum flanges, this intake manifold helps reduce heat soak while providing the strength required for demanding street and racing applications. The removable top design allows easy access for tuning, maintenance, and future upgrades.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Horsepower Performance Benefits\u003c\/strong\u003e\u003cbr\u003eThe hi-rise runner design is optimized to increase airflow efficiency and support high-horsepower engine combinations. Compared to lower-profile intake designs, the taller runner configuration helps maximize airflow potential at higher RPM levels, making this intake manifold an excellent choice for drag racing, track builds, LS swaps, and performance street vehicles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003eGM Gen IV Rectangle Port LS Engines\u003cbr\u003e6.0 L \/ 364 in3 (LY6, L96 – rectangle port only)\u003cbr\u003e6.2 L \/ 376 in3 (LS3, L92, L99)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003e• Chevrolet Camaro LS3 builds\u003cbr\u003e• Chevrolet Corvette LS3 applications\u003cbr\u003e• Chevrolet Silverado performance builds\u003cbr\u003e• Chevrolet C10 LS swaps\u003cbr\u003e• Chevrolet Chevelle LS conversions\u003cbr\u003e• Pontiac GTO LS projects\u003cbr\u003e• Custom race cars and restomods\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Fits GM Gen IV rectangle-port LS cylinder heads\u003cbr\u003e• Designed for EFI applications only\u003cbr\u003e• Carbon fiber intake manifold construction\u003cbr\u003e• Includes fuel rail provisions\u003cbr\u003e• Removable top design for tuning and maintenance access\u003cbr\u003e• Compatible with high-performance naturally aspirated and boosted combinations\u003cbr\u003e• Verify throttle body, injector, fuel system, and hood clearance before installation\u003cbr\u003e• Not compatible with cathedral-port cylinder heads\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003eBasic Operating RPM Range: 1,500-9,000 RPM\u003cbr\u003eColor: Black\u003cbr\u003eDeck Height: Standard\u003cbr\u003eFuel Injection Style: Multi-port Fuel Injection\u003cbr\u003eFuel Injector Stye Provision: 2.55 in. LS1 style\u003cbr\u003eFuel Rail Color: Black\u003cbr\u003eFuel Rail Finish: Black\u003cbr\u003eFuel Rail Fitting Thread Diameter: 10 ORB\u003cbr\u003eFuel Rail Material: Aluminum\u003cbr\u003eFuel Rails Included: Yes\u003cbr\u003eFuel System Type: Electronic Fuel Injection\u003cbr\u003eGasket Or Seal Included: Yes\u003cbr\u003eGrade Type: Performance\u003cbr\u003eIntake Port Shape: Rectangle\u003cbr\u003eManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003eManifold Absolute Pressure Sensor Port Style: Gen IV 3-bar\u003cbr\u003eManifold Finish: Natural\u003cbr\u003eMaterial: Carbon Fiber\u003cbr\u003eMounting Hardware Included: Yes\u003cbr\u003eMounting Hole Quantity: 10\u003cbr\u003eRemovable Runners: Yes\u003cbr\u003eRemovable Throttle Body Flange: No\u003cbr\u003eRemovable Top: Yes\u003cbr\u003eSupplemental Boss Quantity: 2\u003cbr\u003eThrottle Body Bore Size: 102.200 mm\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":51284531609896,"sku":"81634","price":4400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81634_01_dbba5c6e-c35d-47f9-bf87-79a76bb798bb.jpg?v=1773872745"}],"url":"https:\/\/www.topstreetperformance.com\/collections\/gm-ls-lt-intake-manifolds.oembed?page=2","provider":"Top Street Performance","version":"1.0","type":"link"}