The pulley is a single (1) groove pulley and fits all Chevy/GM key-way units through 1972. 1x Power Steering Pump Pulley. Polisehd aluminum power steering pump pulley. Professional installation is required for auto parts.
1 GROOVE POLISHED ALUMINUM CRANK PULLEY FOR CHEVY SMALL BLOCK SHORT WATER PUMP
2 GROOVE POLISHED ALUMINUM CRANK PULLEY FOR CHEVY SMALL BLOCK SHORT WATER PUMP
1 GROOVE MACHINED ALUMINUM WATER PUMP PULLEY FOR 69-85 CHEVY SB LONG WATER PUMP
1 GROOVE CHROME ALUMINUM WATER PUMP PULLEY FOR 69-85 CHEVY SB LONG WATER PUMP
1 GROOVE MACINED ALUMINUM WATER PUMP PULLEY FOR CHEVY SB SHORT WATER PUMP
1 GROOVE MACHINED ALUMINUM CRANK PULLEY FOR CHEVY SMALL BLOCK LONG WATER PUMP