{"product_id":"gm-ls-104mm-cast-aluminum-throttle-body-elbow-with-4150-flange-polished","title":"GM LS 104mm Cast Aluminum Throttle Body Elbow with 4150 Flange - Polished","description":"\u003cp\u003eDesigned for GM LS fuel injection applications, this throttle body elbow helps adapt EFI throttle body placement to 4150-style intake layouts while supporting clean airflow routing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThrottle Body Adapter Fitment\u003c\/strong\u003e\u003cbr\u003eMain port inside diameter is 104 mm. Intake manifold flange style is 4150 Square Bore. Height is listed as 5.120 in.. These dimensions should be checked against hood clearance and throttle body placement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eElbow Construction \u0026amp; Layout\u003c\/strong\u003e\u003cbr\u003eAluminum construction with a polished finish and throttle cable bracket included: Yes. The elbow helps create a clean transition between intake manifold and throttle body.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSensor \/ Port Provisions\u003c\/strong\u003e\u003cbr\u003eMAP sensor port included: Yes. Vacuum ports included: Performance. Nitrous port provision: Yes mm. Plan sensor placement, vacuum routing, and accessory clearance before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Clearance Matching\u003c\/strong\u003e\u003cbr\u003eCommon use cases include Chevrolet Silverado, GMC Sierra, Chevrolet Camaro. Verify throttle body size, 4150 flange compatibility, cable bracket needs, and hood clearance before final assembly.\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\u003cbr\u003e\u003cbr\u003e\u003cb\u003eNOTES:\u003c\/b\u003e\u003cbr\u003e• Fits intake with Holley 4150 carburetor flange\u003cbr\u003e• 105 mm throttle body opening with stock 4-bolt pattern\u003cbr\u003e\u003cbr\u003e\u003cb\u003eCOMMON VEHICLE APPLICATIONS:\u003c\/b\u003e\u003cbr\u003eChevrolet Silverado\u003cbr\u003eGMC Sierra\u003cbr\u003eChevrolet Camaro\u003cbr\u003eChevrolet Corvette\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSPECIFICATIONS:\u003c\/b\u003e\u003cbr\u003e\nColor: Polished\u003cbr\u003e\nFuel System Type: Electronic Fuel Injection\u003cbr\u003e\nGasket Or Seal Included: No\u003cbr\u003e\nGrade Type: Performance\u003cbr\u003e\nHeight: 5.120 in.\u003cbr\u003e\nIntake Manifold Flange Style: 4150 Square Bore\u003cbr\u003e\nMain Port Inside Diameter: 104 mm\u003cbr\u003e\nManifold Absolute Pressure Sensor Port Included: Yes\u003cbr\u003e\nMaterial: Aluminum\u003cbr\u003e\nMeth Injection\/Boost Reference Port Thread Size: (2) 0.125 in. NPT\u003cbr\u003e\nMeth Injection\/Boost Reference Ports Included: Yes\u003cbr\u003e\nMounting Hardware Included: Yes in.\u003cbr\u003e\nMounting Hole Quantity: 4\u003cbr\u003e\nNitrous Port Included: Yes mm\u003cbr\u003e\nNitrous Port Thread Size: 0.0625 in. NPT\u003cbr\u003e\nPort Plugs Included: Yes\u003cbr\u003e\nPort Quantity: 1\u003cbr\u003e\nQuantity: Sold individually\u003cbr\u003e\nQuantity: Sold individually\u003cbr\u003e\nThrottle Body Bore Size: 104 mm\u003cbr\u003e\nThrottle Cable Bracket Included: Yes\u003cbr\u003e\nVacuum Port Thread Sizes: (1) 0.375, (2) 0.250 in. NPT\u003cbr\u003e\nVacuum Ports Included: Performance","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49903136735528,"sku":"81141P","price":192.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/81141P_01.jpg?v=1761241888","url":"https:\/\/www.topstreetperformance.com\/products\/gm-ls-104mm-cast-aluminum-throttle-body-elbow-with-4150-flange-polished","provider":"Top Street Performance","version":"1.0","type":"link"}