{"product_id":"i-30499721-granatellimotor-sports-lt1-lt4-lt5drive-by-wire-billet-throttle-body-black-gmtblt4b","title":"Granatelli Motor Sports LT1\/LT4\/LT5 Drive-By-Wire Billet Throttle Body Black GMTBLT4B","description":"\u003ch2\u003eGranatelli LT1 LT4 LT5 Drive-By-Wire Throttle Body Black\u003c\/h2\u003e\u003ch2\u003eSKU: GMTBLT4B\u003c\/h2\u003e\u003ch3\u003eTUNE MAY BE REQUIRED\u003c\/h3\u003e\u003cp\u003eElevate your LT1, LT4, or LT5 engine's performance with the Granatelli Motorsports GMTBLT4B 103mm throttle body. Precision CNC-machined from billet 6061-T6 aluminum, this throttle body is engineered to maximize airflow and enhance throttle response, delivering significant performance gains.\u003c\/p\u003e\u003ch3\u003eDrive-By-Wire Throttle Body Key Features:\u003c\/h3\u003e\u003cul\u003e\u003cul\u003e\u003cli\u003eIncreased Airflow: 103mm diameter outflows OEM units, enhancing engine efficiency.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/ul\u003e\u003cul\u003e\u003cul\u003e\u003cli\u003eDurable Construction: CNC-machined from high-grade 6061-T6 billet aluminum.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/ul\u003e\u003cul\u003e\u003cul\u003e\u003cli\u003ePlug-and-Play Installation: Utilizes late-model GM 6-pin connector; no need to transfer components from the original unit.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/ul\u003e\u003cul\u003e\u003cul\u003e\u003cli\u003eBoost Capable: Electronic motors can handle up to 25 lbs of boost in both draw-through and blow-through configurations.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/ul\u003e\u003cul\u003e\u003cul\u003e\u003cli\u003eVersatile Compatibility: Works with factory or aftermarket intake manifolds.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/ul\u003e\u003cul\u003e\u003cul\u003e\u003cli\u003eSmoother Acceleration: Larger size allows for quicker and more responsive engine acceleration.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/ul\u003e\u003ch3\u003eImportant Notes:\u003c\/h3\u003e\u003cul\u003e\u003cul\u003e\u003cli\u003eTUNE MAY BE REQUIRED\u003c\/li\u003e\u003c\/ul\u003e\u003c\/ul\u003e\u003cul\u003e\u003cul\u003e\u003cli\u003eConnector Type: Requires a late-model GM 6-pin connector.\u003c\/li\u003e\u003c\/ul\u003e\u003c\/ul\u003e\u003cp\u003eWhether you're chasing tenths at the track or just want snappier throttle response on the street, the Granatelli GMTBLT4B 103mm throttle body delivers. Designed for serious performance builds, this bolt-on upgrade is a must-have for anyone running a high-flow intake, ported heads, or boost. It’s proven to add real horsepower in minutes—no gimmicks, just gains. Built for enthusiasts, by enthusiasts.\u003c\/p\u003e\u003chr\u003e\u003ch3 class=\"gms-s79\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eApplication-focused Granatelli Motor Sports design\u003c\/li\u003e\n\u003cli\u003eBuilt for dependable performance and service\u003c\/li\u003e\n\u003cli\u003eDesigned for enthusiasts, professional installers, and performance builds\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3 class=\"gms-s79\"\u003eFitment \u0026amp; Installation\u003c\/h3\u003e\u003cp\u003eConfirm the part number, vehicle or engine application, dimensions, and supporting components before installation. Modified vehicles may require additional clearance, fabrication, calibration, or related hardware depending on the combination.\u003c\/p\u003e\u003chr\u003e\u003ch3 class=\"gms-s79\"\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhy upgrade a throttle body?\u003c\/strong\u003e\u003cbr\u003eA performance throttle body can support increased airflow when the rest of the engine combination can use it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill this work on a modified vehicle?\u003c\/strong\u003e\u003cbr\u003eCompatibility depends on the complete vehicle combination. Confirm the listed application and supporting components before installation.\u003c\/p\u003e\u003chr\u003e\u003ch3 class=\"gms-s79\"\u003eWhy Choose Granatelli Motor Sports?\u003c\/h3\u003e\u003cp\u003eGranatelli Motor Sports develops performance components for real-world street, street\/strip, race, and custom applications, with an emphasis on practical performance, dependable construction, and integration into serious automotive builds.\u003c\/p\u003e","brand":"Granatelli Motor Sports","offers":[{"title":"Default Title","offer_id":54030429454701,"sku":"GMS-GMTBLT4B","price":665.08,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0032\/6683\/8574\/files\/F198649699.webp?v=1790019344","url":"https:\/\/www.westcoastcorvette.com\/products\/i-30499721-granatellimotor-sports-lt1-lt4-lt5drive-by-wire-billet-throttle-body-black-gmtblt4b","provider":"WestCoastCorvette.com","version":"1.0","type":"link"}