The Moroso double-groove billet crankshaft pulley fits Chevrolet big block engines with a short pump and supplies two grooves for dual-belt accessory drive setups. Machined from billet aluminum for a finished look, the pulley is intended for short-pump big block layouts where multiple accessories are driven from the crankshaft on compatible Chevrolet big block applications.
Moroso Chevrolet Big Block (w/Short Pump) Crankshaft Pulley - Double Groove - Billet Aluminum