When it comes to improving your engine’s performance,increased airflow is a key ingredient. The FAST Big MouthThrottle Bodies for the FAST LSX 92mm & LSXR 102mm Intake Manifolds increase airflow through a series of innovativedesign changes and a slightly enlarged throttle opening. FAST also invested significanttesting & engineering resources into optimizing cross-sectional flow and eliminating airflow turbulence, especially at partthrottle operation.

In addition, these throttle bodies offer increased throttle blade thickness to eliminate deflection commonly found with other throttle bodies, especially those in boosted applications. A smoother operating offset blade pivot improves throttle response, and a beefed up linkage and dual throttle spring mechanism ensure total throttle control. The FAST BigMouth 92mm Throttle Bodyâ„¢will deliver bolton GM Gen III(LS1, -2 & -6) horsepower while the LSXRâ„¢ is designedto maximize potential performance upgrades on L92/LS3/LS7 engines