65-70 Water Pump - Hi Performance Aluminum 396 / 427 (ND)

High performance pumps produce maximum flow and equal distribution to both sides of the block. Features include heavy duty 3/4 inch integral ball/roller bearings, billet steel nuts, and a unique O-ring that provides a superior seal over a conventional gasket. Large cast iron impeller is CNC machined for accuracy and durability that far exceeds stamped steel impellers.