Pay in 4 interest-free payments of $565.38 Learn more
Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
• 7″ or 8″ springs x 2
• Center hole is in factory location
or 5″ bolt circle
• Side bearing preload shims
Lightweight design
Chevrolet Big Block F-3 CrankDrive 481X F-3 • 7″ or 8″ springsCrankDrive (External Gear Drive) The ProCharger CrankDriveTM positions the supercharger higher than other gear drives to allow for better steering component and frame clearance Lightweight design Easy to assemble, disassemble, and swap gear ratios Complete assembly for specific engines, no sourcing additional components Optional alternator drive (SEE FOOTNOTES) Optional fuel pump drive Allows engine to rotate both directions for servicing Optional