PRW 1439000 Performance Quotient As-Cast 5/8" Pilot Shaft High Flow Aluminum Water Pump for Ford 352-428 FE&rsquo;s 1965-76 Steel hubs and heavy duty shielded-seal roller ball bearings Pressure injected aluminum alloy pump bodies Back plate "O" ring sealed for competition plus applications Reliable cast iron CNC machined impellers Satin-cast