Granatelli 103mm Throttle Body | Chevrolet Silverado 1500 / GMC Sierra 1500 (19-26) (GMTBLT4)

The Granatelli Motor Sports 13-20 GM LT1/LT4/LT5 Drive-By-Wire 103mm Throttle Body is a high-performance upgrade designed to enhance throttle response and airflow for GM LS-based engines. Constructed with precision-machined components and a natural finish, this 103mm throttle body offers improved airflow capacity over stock units, resulting in increased horsepower and torque. Its drive-by-wire design ensures seamless integration with factory electronic throttle control systems, providing reliable and consistent throttle response. Built for durability and performance, this throttle body is an ideal upgrade for enthusiasts seeking to optimize their vehicle’s engine efficiency and power output.

Compatible with 2013 to 2020 GM vehicles equipped with LT1, LT4, or LT5 engines, this throttle body fits a range of models including Camaro, Corvette, and other GM performance vehicles. It is a direct bolt-on replacement that requires no additional modifications for installation. Designed for street and track use, it enhances overall engine performance and throttle responsiveness. The kit includes the throttle body assembly and necessary mounting hardware, ensuring a straightforward installation process. Suitable for daily driving, performance upgrades, or racing applications, this throttle body provides a reliable upgrade to maximize engine potential.