{"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\u003eThis intake manifold is engineered for GM LS Series applications and helps support consistent airflow, clean fuel distribution, and dependable street performance operation across a wide range of compatible builds.\u003c\/p\u003e\n\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\n\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\n\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\n\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\n\u003cp\u003e\u003cb\u003eCOMPATIBLE WITH:\u003c\/b\u003e \u003cbr\u003eCHEVROLET SMALL BLOCK V8 GEN. III (LS BASED) \u003cbr\u003e• 5.7 L \/ 346 in3\u003c\/p\u003e\n\u003cp\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\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","url":"https:\/\/www.topstreetperformance.com\/products\/gm-ls-cathedral-port-carbureted-dual-plane-aluminum-intake-manifold-polished","provider":"Top Street Performance","version":"1.0","type":"link"}