Meziere 300 Series Electric Water Pumps WP319S BLACKMeziere 300 Series Electric Water Pumps Meziere 300 Series electric water pumps are the Big Daddy of electric water pumps. They're capable of flowing 55 gpm enough for a 600 hp oval track car or a 2,200 hp Pro Mod. They have larger internal passages and heavy duty motors and are available in radiator, remote mount, or engine mount versions. These pumps feature CNC machined aluminum housings, epoxy coated motor windings, an RF suppression circuit, and