Dual Groove Chevy Small Block Serpentine Crankshaft Pulley 7 SBC 350 383 6 Rib

6&6-rib Aluminum Serpentine High Water Flow Ratio Crank Pulley for Chevy Small Blocks with Long Water Pumps. Designed to Replace Factory V-belt or Steel Serpentine Pulleys. 7 Standard Rotation Long Water Pump. 6&6-rib Serpentine Crank Pulley (7).

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