Granatelli Motor Sports LT1/LT4/LT5 Drive-By-Wire Billet Throttle Body Black GMTBLT4B

Granatelli Motorsports GMTBLT4B 103mm Drive-By-Wire Throttle Body – Black Finish

TUNE MAY BE REQUIRED

Elevate 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.

Key Features:

• Increased Airflow: 103mm diameter outflows OEM units, enhancing engine efficiency.


• Durable Construction: CNC-machined from high-grade 6061-T6 billet aluminum.


• Plug-and-Play Installation: Utilizes late-model GM 6-pin connector; no need to transfer components from the original unit.


• Boost Capable: Electronic motors can handle up to 25 lbs of boost in both draw-through and blow-through configurations.


• Versatile Compatibility: Works with factory or aftermarket intake manifolds.


• Smoother Acceleration: Larger size allows for quicker and more responsive engine acceleration.

Important Notes:

• TUNE MAY BE REQUIRED


• Connector Type: Requires late-model GM 6-pin connector.

Whether 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.