8840BK – Pulley, Water Pump BB Chevy SWP Single Groove (Black Aluminum)

Fits all 1965-1968 Big Block Chevrolet 396-427-454ci engines with a SHORT Water Pump. This pulley provides the clean, custom look enthusiasts desire. All of our aluminum pulleys are machine balanced, made with brilliant craftsmanship, and feature great, quality design.

Will not work on Stock Corvette or Early Chevy trucks with Stock / OEM water pumps.

• Pulley Diameter Is 6 5/8",Pulley Is 3" Tall, Bolt Pattern Is 1 3/4"

If you going to run A/C you will need a 2 groove.