8850BK – Pulley, Water Pump SB Chevy SWP Single Groove (Black Aluminum)

Fits all 1955-1969 Small Block Chevrolet 283-400ci 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 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.