F-4X-144 Supercharger Head Unit

The ProCharger F-4X-144 Supercharger Head Unit is engineered for racers and enthusiasts seeking extreme horsepower and championship-level reliability. Building on the legacy of ProCharger's F-Series superchargers introduced in 2000, this unit represents the pinnacle for ultra-high horsepower applications, consistently powering door slammer vehicles to over 200 mph and into the 6-second range. It is the centrifugal supercharger of choice for many world record holders and racing champions across various sanctioning bodies. Constructed with a custom-designed 7075 billet aluminum impeller and a CNC-machined transmission case, the F-4X-144 incorporates ProCharger's industry-exclusive, patented compound bearing design for enhanced durability at ultra-high speeds. This self-contained unit features precision-ground 9310 steel gears and a large, 12-inch volute, providing significantly higher airflow compared to F-1 and F-2 models. It is capable of supporting 2,500+ HP on race gas and 3,000+ HP on alcohol, with a maximum supercharged horsepower rating exceeding 4,000 HP. Key specifications include a base naturally aspirated engine HP range of 700-1000 HP, a maximum supercharger flow of 5000 CFM, and a maximum boost pressure of 70 PSI. The impeller can reach speeds of up to 72,000 RPM, with an internal step-up ratio of 4.77:1. The inducer diameter is 5.63 inches, the exducer diameter is 7.91 inches, and the outlet diameter is 4 inches. This unit features self-contained oiling and is available in reverse rotation configurations.