Crankshaft Pulley Kit Aluminum Water Pump Triple Groove fits For Chevy 283-350

Crankshaft Pulley: Triple Groove. Type: Crankshaft Pulley Kit. for Small Block Chevy 283 - 350 with a Short Water Pump. Water Pump Pulley: Double Groove. 1 Triple Groove Crank Pulley (with bolts). 1 Double Groove Water Pump Pulley (with bolts).