Moroso 64051 - Pulley, Crank, SBC, Billet

Billet Aluminum Crankshaft Pulley 68 Down SBC w/Short Water Pump 5.25 in. OD V-Belt Design Single Groove • 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 • Uses 36° x 17/32" wide belt