Crankshaft Pulley - V-Belt - 1 Groove - 5.25 in Diameter - Underdrive - Aluminum - Black Anodized - Short Water Pump - Big Block Chevy - Each

Moroso Chevrolet Big Block (w/Short Pump) Crankshaft Pulley - Single Groove - Billet Aluminum

Product Overview

Moroso Chevrolet Big Block (w/Short Pump) Crankshaft Pulley - Single Groove - Billet Aluminum

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Product Details

Reference Information

Crankshaft Pulley, V-Belt, 1-Groove, 5.25 in., Aluminum, Natural, Chevy, Big Block, Short Pump, Each

Get more horsepower with Moroso billet aluminum crankshaft pulleys. They are machined from solid billets of the highest-grade aircraft aluminum for maximum durability and feature deep, precision-machined grooves to 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 percent. These pulleys have an anodized hard-coat for extended life.