F-4X-140 ProCharger (Satin) with splined input shaft and threaded volute Alloy Axles Calipers are tapped 1/8″ NPT

Calipers are tapped 1/8″ NPT and supplied with a straight male 3 AN fitting

35 spline Trac-lock differential – D3537 / D3538

Not all rates are available in all three colors

For Small Block Chevy V8 265-400 Applications

F-4X-140 ProCharger (Satin) with splined input shaft and threaded volute Alloy Axles Calipers are tapped 1/8″ NPTF 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.