Description: 100% brand new, Never been tried or installed. Professional Installation is Highly Recommended Water Pump: Long water pump for chevy 283, 305 327,350 400 small block engines. High volume satin aluminum mechanical water pump. Block to hub measurement is 6 15/16". Large 3/4" bearing with 5/8" shaft. Bigger pump impeller & Larger cavity size. Standard rotation,Includes gaskets. High quality roller bearings. Water Pump Pulley: .
