Description: 100% brand new, Never been tried or installed. Professional Installation is Highly Recommended Single Groove Water Pump Pulley Finish: Polished Material:Aluminum The pulley diameter is 6 9/16". The pulley is 2 1/4" tall. The bolt pattern is 2 1/8". The center hole is 5/8". These Feature deep grooves to prevent belt from slipping. Double Groove Crankshaft Water Pump Pulley Finish: Natural Material: Aluminum Grooves: Double .
