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

Moroso Chevrolet Big Block 396-454 (w/Short Pump) Crankshaft Pulley - Single Groove - Cast Aluminum

Product Overview

Moroso Chevrolet Big Block 396-454 (w/Short Pump) Crankshaft Pulley - Single Groove - Cast Aluminum

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Reference Information

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

Moroso cast aluminum crankshaft pulleys have a small diameter that slows fan, water pump, and alternator speeds to reduce horsepower-robbing drag. They also have extra-deep grooves to provide added belt retention during rapid changes in engine rpm. They are precision-machined from high-grade, lightweight, aluminum castings.