1 to 1 - V-Belt - 1 Groove - 6-5/8 in Diameter - Aluminum - Polished - Short Water Pump - Small Block Chevy - Each
THIS PULLEY IS DESIGNED TO BE USED ON A 5/8 DIAMETER SHAFT WATER PUMP WITH A BLOCK MOUNTING FLANGE TO PULLEY MOUNTING FLANGE MEASUREMENT OF 5-5/8. 6-5/8 DIAMETER. FOR COUNTER SUNK BOLTS USE MRG5321,TRA9492, RPCR0005