This 6-Rib Aluminum Serpentine High Water Flow Ratio Crank Pulley for Chevy Small Blocks with Short Standard Rotation Water Pump with a 5.625" Engine Block to Water Pump Flange Measurement. Designed to Replace Factory V-belt or Steel Serpentine Pulleys.
This Item Includes:
- 6-Rib Serpentine Crank Pulley in 7" Diameter
- All Mounting Hardware