FAST Throttle BodyPolish4150W - 307603P

FAST? 4 Barrel Throttle Bodies incorporate tapered and radiused throttle bores and precisely machined progressive linkage for smooth throttle operation and unparalleled airflow. More airflow equals...

All the benefits of the current Big Mouth 102mm Throttle Bodyâ„¢ are now available for drive-by-wire applications, thanks to the new FASTâ„¢ 102mm Electronic Throttle Body for GM LS Engines. This new...

The Fast Big Mouth 102mm throttle body provides increased airflow through a smoother offset blade pivot. In addition we increased blade thickness to eliminate deflection and a beefed up linkage and...

These throttle bodies offer increased throttle blade thickness to eliminate deflection commonly found with other throttle bodies, especially those used in boosted applications. A smoother operating...

1200 HP-Capable Throttle Body w/ Integrated Fuel Injectors, Sensors & Rails. Fuel Injectors are 74 Lb/Hr and all integrated sensors and components are OE quality.User 1Catalog