{"product_id":"granatelli-gm-lt1-lt4-103mm-throttle-body-adapter-spacer-plate-gmtbltspc","title":"Granatelli GM LT1 \/ LT4 103mm Throttle Body Adapter Spacer Plate – GMTBLTSPC","description":"\u003cdiv class=\"gms-product-description\"\u003e\n\n\u003cdiv style=\"margin-bottom:22px;\"\u003e\n\u003cp style=\"font-size:19px; line-height:1.6; font-weight:700; margin:0 0 14px 0;\"\u003eUpgrade to a 103mm throttle body without permanently porting your factory LT intake manifold. The Granatelli GMTBLTSPC adapter spacer provides the proper transition and mounting surface needed to pair a compatible 103mm throttle body with select GM LT1 and LT4 intake systems.\u003c\/p\u003e\n\n\u003cp style=\"line-height:1.65; margin:0 0 14px 0;\"\u003eThe \u003cstrong\u003eGranatelli GMTBLTSPC 103mm Throttle Body Adapter Spacer Plate\u003c\/strong\u003e is precision-machined for compatible GM Gen V \u003cstrong\u003eLT1 and LT4\u003c\/strong\u003e applications. It is specifically designed for installations where a larger 103mm throttle body is being used with a factory-style intake manifold or non-ported supercharger inlet.\u003c\/p\u003e\n\n\u003cp style=\"line-height:1.65; margin:0;\"\u003eRather than permanently modifying the factory manifold opening, the GMTBLTSPC provides the proper adapter interface for a cleaner and more straightforward 103mm throttle-body installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#111111; padding:20px; margin:22px 0; text-align:center;\"\u003e\n\u003ch3 style=\"color:#ffffff; margin:0 0 8px 0; font-size:24px;\"\u003eGO 103MM WITHOUT PORTING YOUR FACTORY MANIFOLD.\u003c\/h3\u003e\n\n\u003cp style=\"color:#ff3333; font-size:20px; font-weight:bold; margin:0 0 8px 0;\"\u003e103MM THROTTLE BODY ADAPTER • LT1 \u0026amp; LT4\u003c\/p\u003e\n\n\u003cp style=\"color:#ffffff; line-height:1.65; margin:0;\"\u003eDesigned to bridge the difference between a larger 103mm throttle body and compatible factory-style LT intake openings for proper alignment and installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f4f4f4; border-left:5px solid #111111; padding:18px 20px; margin:22px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 12px 0;\"\u003eKey Features\u003c\/h3\u003e\n\n\u003cul style=\"margin:0; padding-left:22px; line-height:1.8;\"\u003e\n\u003cli\u003e\u003cstrong\u003e103mm throttle body adapter \/ spacer plate\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible \u003cstrong\u003eGM LT1 \u0026amp; LT4 applications\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAllows installation of a compatible 103mm throttle body on select factory-style intake manifolds\u003c\/li\u003e\n\u003cli\u003eHelps eliminate the need to permanently port the factory intake manifold opening\u003c\/li\u003e\n\u003cli\u003eProvides proper throttle-body alignment and mounting interface\u003c\/li\u003e\n\u003cli\u003eIdeal for factory intake manifolds and compatible non-ported supercharger applications\u003c\/li\u003e\n\u003cli\u003ePrecision-machined billet aluminum construction\u003c\/li\u003e\n\u003cli\u003eDesigned for performance street and race applications\u003c\/li\u003e\n\u003cli\u003eExcellent companion part for Granatelli 103mm LT-series throttle bodies\u003c\/li\u003e\n\u003cli\u003eSimple bolt-on installation when used with compatible components\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#fff3cd; border:2px solid #e0a800; padding:16px 18px; margin:22px 0;\"\u003e\n\u003cp style=\"margin:0; line-height:1.65;\"\u003e\u003cstrong\u003eAdapter \/ Spacer Only:\u003c\/strong\u003e This product is \u003cstrong\u003enot a throttle body\u003c\/strong\u003e. The listing includes the throttle-body adapter\/spacer plate only. Throttle body and intake manifold are sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:24px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 10px 0;\"\u003eInstall a 103mm Throttle Body Without Porting\u003c\/h3\u003e\n\n\u003cp style=\"line-height:1.65; margin:0;\"\u003eA 103mm throttle body can have a larger opening than the factory LT intake-manifold inlet. The GMTBLTSPC creates the proper transition between the two components, allowing compatible 103mm throttle bodies to be installed without permanently opening or porting the factory manifold.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin:24px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 10px 0;\"\u003eDesigned for LT1 \u0026amp; LT4 Performance Builds\u003c\/h3\u003e\n\n\u003cp style=\"line-height:1.65; margin:0;\"\u003eThe GMTBLTSPC is an ideal supporting component for modified Gen V LT applications upgrading to a larger throttle body while retaining the factory-style intake manifold or compatible non-ported supercharger inlet.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#111111; padding:18px 20px; margin:24px 0;\"\u003e\n\u003ch3 style=\"color:#ffffff; margin:0 0 12px 0;\"\u003eCompatible GM Applications\u003c\/h3\u003e\n\n\u003cp style=\"color:#ffffff; line-height:1.65; margin:0 0 14px 0;\"\u003eDesigned for compatible GM Gen V applications using a \u003cstrong style=\"color:#ffffff;\"\u003e103mm throttle body with the appropriate factory-style intake configuration\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:8px;\"\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eLT1\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eLT4\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003e103mm Throttle Body\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eFactory Intake\u003c\/strong\u003e\u003c\/span\u003e\n\u003cspan style=\"background:#ffffff; color:#111111; padding:8px 11px;\"\u003e\u003cstrong\u003eNon-Ported Supercharger\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#fff8e6; border:1px solid #e3c66c; padding:16px 18px; margin-top:22px;\"\u003e\n\u003cp style=\"margin:0 0 10px 0; line-height:1.65;\"\u003e\u003cstrong\u003eImportant Fitment Notice:\u003c\/strong\u003e GMTBLTSPC is intended for compatible \u003cstrong\u003eLT1\/LT4 applications using a 103mm throttle body\u003c\/strong\u003e with a factory-style intake manifold or compatible non-ported supercharger inlet. Verify your throttle-body diameter, intake-manifold opening and bolt pattern before ordering.\u003c\/p\u003e\n\n\u003cp style=\"margin:0; line-height:1.65;\"\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e This is an \u003cstrong\u003eadapter\/spacer plate only\u003c\/strong\u003e and does not include the throttle body or intake manifold.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":46021513674812,"sku":"GMTBLTSPC","price":224.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/5934\/4956\/files\/GMTBLTSPC.png?v=1787024035","url":"https:\/\/rpm-racing.com\/products\/granatelli-gm-lt1-lt4-103mm-throttle-body-adapter-spacer-plate-gmtbltspc","provider":"Racing Precision Motorsports","version":"1.0","type":"link"}