These Speedmaster 400 electric fuel pumps flow over 400 gph and can support engines up to 850 hp. They feature a billet aluminum housing with a hard coat, anodized billet aluminum impeller and high-carbon brushes for long life, low amp draw (only 9.5 amps), and high torque. The fuel pumps have a replaceable Delrin wear ring and offer external line pressure adjustment (10-25 psi), so you can adjust them while running with no fuel mess. All Speedmaster 400 electric fuel pumps use a double-lip, high performance shaft seal and are tested for flow, pressure, and leaks, so they're ready for your ride. They are gasoline and alcohol compatible.