The Moroso single-groove cast aluminum crankshaft pulley fits Chevrolet small block engines configured with a short water pump and supports single-belt accessory drives. It matches the pulley profile used on short-pump setups and provides a replacement option for maintaining correct belt alignment in those front-drive arrangements on compatible Chevrolet small block engines.
Moroso Chevrolet Small Block (w/Short Pump) Crankshaft Pulley - Single Groove - Cast Aluminum