; Machined from the highest grade aircraft billet aluminum for maximum durability; 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%; Hard-coat anodized for extended life
- Billet
- Single groove
- V-belt 5 O.D.
- GM and Ford Alternators with 21/32 dia. shaft
- Grooves ensure belt retention
- When crankshaft and water pump pulleys are used together, water pump speed is reduced by about 30%
- Hard-coat anodized.