Chevrolet Big Block F-1/F-2 CrankDrive Dual Accessory Drive?:Yes, Extended Length +$1078 Part Number: D1547

Part Number: D1547

Accepts 1480 Series U-Joint

1974-1977 Ventura

OA-MUS156-3DBT - Optic Armor coating inside and out

10" comp x 12

Chevrolet Big Block F-1/F-2 CrankDrive Dual Accessory Drive?:Yes, Extended Length +$1078 Part Number: D1547CrankDrive (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