Description: 

BB CHEVY DOUBLE GROOVE CRANKSHAFT PULLEY

BLACK ALUMINUM LOWER

FITS ALL BB CHEVY ENGINES WHEN USING A SHORT WATER PUMP 

FITS BB CHEVY 396 427 454 472 502 USING A SHORT WATER PUMP

PULLEY DIAMETER IS 6 7/16"

PULLEY IS 1 1/2" TALL

BOLT PATTERN IS 2 3/4" 

CENTER HOLE IS 1 1/8"

MACHINED FROM BILLET ALUMINUM

THESE FEATURE DEEP GROOVES TO PREVENT BELTS FROM SLIPPING

P   Professional Installation is Highly Recommended (No Instruction and Wiring Diagram Included)