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The Moroso 4-inch V-belt crankshaft pulley is a direct-fit replacement pulley that restores proper accessory drive geometry for engines using V-belts. It preserves pulley diameter and routing to maintain belt tension and accessory speed. Use it when replacing worn or damaged crank pulleys to keep charging, cooling, and accessory systems running reliably during regular service and rebuilds.
Moroso V-Belt Crankshaft Pulley - 4in
