F-4X-144 ProCharger (Satin) with splined input shaft and threaded volute Steering Accessories • Boxed in a blue

• Boxed in a blue cloth protective sleeve

– Finish machined after heat treat to ensure accuracy

000° F compared to carbon steel

ProRace Valve "Open" with Mounting Hardware

F-4X-144 ProCharger (Satin) with splined input shaft and threaded volute Steering Accessories • Boxed in a blueF 4 SERIES SUPERCHARGERS 4000+ HP Welcome to the pinnacle of performance and durability: the ProCharger F 4X supercharger. A complete redesign from previous race models, the F 4X represents a massive collaborative effort to develop a system that is capable of 4000+ HP, while also maintaining the highest levels of durability. It is the pinnacle for racers looking for ultra high horsepower along with championship earning reliability and consistency.