A modified Walbro GST450 pump adapted to cope with ethanol (E85) and optimized for better flow. This is an in-tank fuel pump that is made for ethanol and submersible mounting in tanks and the service life is therefore very good. The pump is compact and has a diameter of 50mm, which makes it easy to install in most fuel tanks. This fuel pump of course works just as well on petrol. Technical data: - Length: 121mm - Diameter at the top: 39mm - Diameter at the bottom: 50mm - Inlet: 11mm - Outlet: 9mm - Voltage 12V - Maximum working pressure 9.5 bar Flows at 13.5V 2 bar - 450 Liter/Hour 3 bar - 425 Liter/Hour 4 bar - 385 Liters/Hour 5 bar - 350 Liters/Hour 6 bar - 280 Liters/Hour Fits very well in the fixture of many Volvo cars, Nissan, Saab, Subaru Impreza etc. Sufficient for approx. 900-1000hp on petrol and 700-800hp on E85. A new fuel pump has a break-in period where it "breaks in" to finally flow properly. Mounted inside the tank. Connectors and pre-filter included 2 year full warranty