PartsKing Part Number PKS908 Billet SB Chevy 1 Groove Water Pump Pulley for Long Water Pump CNC machined from a solid block of 6061T-6 aluminum for strength and precision this fits small block Chevrolet engines with a long water pump Factory long pumps were 1970 -1985 but this can be run on any SBC motor that has installed a long water pump Long water pumps have the alternator mounted on the passengers side of the engine Single groove water pump pulley.
