This Aluminum Single Groove High Water Flow Ratio V-Belt Pulley Kit for Chevy Big Blocks with Standard Rotation Short Water Pump and a Engine Block to Water Pump Flange Measurement of 5.75". Designed to Replace Factory V-belt or Steel Serpentine Pulleys.
This Kit Includes:
- 1 Groove Crank Pulley in 7" Diameter
- 1 Groove Water Pump Pulley in 6-1/4" Diameter
- 1 Groove Alternator Pulley in 2-11/16" Diameter
- All Mounting Hardware