Single 6-Rib Aluminum Serpentine High Water Flow Ratio Pulley Kit for Chevy Small Blocks with Standard Rotation Short Water Pumps with a 5.625" Engine Block to Water Pump Flange. Designed to Replace Factory V-belt or Steel Serpentine Pulleys.
This Kit Includes:
- Single 6-Rib Crank Pulley in 7" Diameter
- Single 6-Rib Water Pump Pulley in 5-1/4") Diameter
- Single 6-Rib Alternator Pulley in 2-3/4" Diameter
- All Mounting Hardware