Moroso 64870 Moroso GM/Ford Alternator Pulley (21/32in Diameter Shaft) - Single Groove - Billet Aluminum

Alternator Pulley, Billet, Single groove, V-belt 5" O.D., GM and Ford Alternators with 21/32" dia. shaft

• CNC machined from billet aluminum with hard-coat anodized finish
• Deep precision machined grooves ensure belt retention even during extreme changes in engine RPM
• When crankshaft and water pump pulleys are used together, water pump speed is reduced by approximately 30%