Long Pump Small / Big Chevy Two Groove Water Pump

Double groove long water pump pulley for a small block and Big block Chevy engine. The pulley is a Steel Pulley made by GM.  This is not a generic aftermarket pulley.  This pulley has two grooves, the inside groove is smaller than the outer groove.

Groove diameter: Inside: 5-7/16" Outside: 6-3/8"

This is the only pulley we sell for this application.