Small Block Chevy, double groove, short water pump Lower Crank pulley. 7.25" diameter, 1.75 bolt circle. Chrome steel.(Tech tip Don't know which you have? If your alternator is on the driver's side of the engine then it's a short water pump, otherwise its a long waterpump. Also, if you can fit your hand in between the water pump and timing cover then you have a long pump.) Part#9603. High quality tripple chrome plated. for engines using a short water pump
Small Block Chevy, double groove, short water pump Lower Crank pulley. 7.25" diameter, 1.75 bolt circle. Chrome steel.(Tech tip Don't know which you have? If your alternator is on the driver's side of the engine then it's a short water pump, otherwise its a long waterpump. Also, if you can fit your hand in between the water pump and timing cover then you have a long pump.) Part#9603. High quality tripple chrome plated. for engines using a short water pump
