1 to 1 Three Piece Pulley Set - S/B Chevy, short water pump.
Cast Aluminum pulley kits for SB Chevy. Upper pulley has 3/4" diameter hole and includes a bushing to be used with water pumps with a 5/8" shaft. Lower pulley has a 3/4" daimeter hole. Pulleys are double grooved.
Kit includes upper and lower pulleys, two fan belts, and bushing for pumps with 5/8" diam. shaft size.