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The Moroso double-groove cast aluminum crankshaft pulley is for Chevrolet big block 396–454 engines with a short pump and supports dual-belt accessory drives. It provides dual grooves to drive multiple accessories from the crankshaft on short-pump big block configurations. Use it when a two-belt arrangement is required for compatible 396–454 short-pump Chevrolet big block applications.
Moroso Chevrolet Big Block 396-454 (w/Short Pump) Crankshaft Pulley - Double Groove - Cast Aluminum
