The EWP150 Alloy provides a maximum flow rate of 162 l/min (42.8 gal/min) that improves engine cooling control and capacity whilst giving you more power, torque, and improved fuel economy. The EWP150 Alloy is a practical alternative to the mechanical belt-driven pump or as an auxiliary pump small, medium, and large high- performance vehicles. This compact pump is manufactured from lightweight alloy with 38mm (11/2") barb inlet and outlet to accommodate and secure radiator hose.