1682 1983-1994 Ford Ranger Mercury Merkur Mazda 140 2.3L water pumpFlowkooler designed a high flow water pump with a CNC machined billet impeller for the 122ci and 140ci blocks. It has an increased vane count and a reduced casting to impeller vane clearance. It achieves greater flow rates, higher head pressure and a more efficient flow. The impeller color is due to Type II Class II military grade surface coating which protects against corrosive fluids. FlowKooler introduced the first hi flow pumps and continues to