Big Block Chevy Serpentine Performance Ratio Pulley Kit for Long Water Pumps

6 Rib Serpentine | Long Water Pump | Under Drive

Double 6-rib Aluminum Serpentine Performance Ratio Pulley Kit for Chevy Big Blocks with Long Water Pumps. Designed to Replace Factory V-belt or Steel Serpentine Pulleys.

Application:

Chevy Big Block

7.287" Standard Rotation Long Water Pump

Kit Includes:

7231 Double 6&5-rib Crank Pulley (5 3/4")

6312 Single 6-rib Water Pump Pulley (6 1/4")

208   Single 6-rib Alternator Pulley (2 3/4")

All Mounting Hardware

Optional Keyway Power-Steering Pulley : 616

Optional Press-Fit Power-Steering Pulley : 617

Optional Alternator Fan Available : 221

Optional Water Pump Pulley Cover Available : 314