These Posi-Flow electronic fuel pumps from Facet are ideal for fast road or competition use. The inlet / outlet ports are threaded 1/8" NPT and fittings are available separately.The pumps are designed to be mounted close to the fuel tank and not above it as this would affect the performance of the pump.Compatible with petrol, diesel, bio-diesel and blended alcohol fuelsExcellent reliability. No bearings, diaphragms or electrical contacts which can wear out.Universal fitting. Suitable for a wide range of applicationsAvailable in different Pressure and flow rates -20 gallon / hr - With a delivery pressure of 1.5-4 psi. 12v negative earth. Suitable for naturally aspirated carburettor fed engines up to 150 Bhp.26 gallon / hr - With a delivery pressure of 4-6 psi. 12v negative earth. Suitable for naturally aspirated carburettor fed engines up to 180 Bhp28 gallon / hr - With a delivery pressure of 7-10 psi. 12v negative earth. Suitable for naturally aspirated carburettor fed engines up to 20