Description
Advanced Throttle Performance. The Granatelli Motor Sports 103mm Throttle Body in natural finish enhances engine power and throttle response by increasing airflow to GM LT engines. Designed for drive-by-wire systems, it optimizes engine efficiency and acceleration, making it a key upgrade for performance enthusiasts.
Construction and Appearance. Precision CNC-machined from billet 6061-T6 aluminum, this throttle body features a durable natural finish that resists corrosion and wear. Its 103mm bore is engineered to maximize airflow, contributing to improved power delivery and engine responsiveness.
Installation. Installation is straightforward and requires no drilling, with included gasket and hardware. It can typically be installed in under 20 minutes, making it accessible for professional installers and experienced enthusiasts alike.
Application. Fits 2014-2026 6.2L Sierra 1500 engines without restrictions or modifications required.
Granatelli Motor Sports GMTBLT4
CA Residents: WARNING: Cancer and Reproductive Harm
- GM Dbw Lt1/Lt4/Lt5 Throttle Body – 103Mm Drive-By-Wire – Natural Finish
- Compatible With All 2014–2026 Lt 5.3L & 6.2L Engines
- Fits Cadillac, Gmc, And Chevrolet
- Cnc-Machined For Maximum Airflow And Throttle Response
- Dyno-Tested To Deliver +20 Rwhp & +17 Lb-Ft On A Near-Stock Lt1 Camaro
- Designed For Aftermarket Manifolds
- Use Spacer #Gmtbltspc With Factory Intake Or Non-Ported Supercharger
- Supports Up To 25 Lbs Of Boost
- 5.3L Engines Require An Aftermarket 6.2L-Style Intake Manifold
- Fits 14-26 6.2L Sierra 1500






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