These low-pressure fuel pumps from Aeroflow Performance are self-priming and generate good suction liftwhich makes them great for carburettors systems and a lift pump to fill a surge tank. Their small size makes them great for fitting to tight locations. They are compatible with standard diesel, ethanol and unleaded fuel systems. Featuring solid state reliability with no electrical contacts or bearings or diaphragms to wearout or fatigue over time. Withthe added external metal body,you can be sure that this fuelpump will stand the test of time.