PROCHARGER F-3R-121 SPLINE DRIVE UNIVERSAL HEAD UNIT

Max Supercharged HP : 2400
Max Boost: 40 PSI
Volute Diameter: 12"
Max Impeller RPM: 72,000

The ProCharger F-3R-121 is an excellent choice for Top Dragster and Top Sportsman racers across the country. This unit utilizes a patented high-speed compound bearing design and is completely self-contained in ProCharger’s proprietary synthetic oil blend. Key components include precision ground 9310 steel shafts and gears, CNC machined 7075 aluminum billet impeller, and 6061 billet transmission case. These quality parts are made from some of the toughest materials, providing you with years of trouble free use. Spinning at an overdrive ratio of 5.63:1 and equipped with our 12” volute, these units pack a lot of power in a package that can be fitted under most hoods.

This unit can be ordered with a CrankDrive unit, ProRace bypass valves, Dual Seal connection (must be welded to housing), and Race Bellmouth!

Note: This is a special order item that may take up to 2 to 4 weeks for delivery under certain circumstances.