A modified Walbro GST520 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: - Handles ethanol and petrol - Length: 131mm - Upper diameter: 39mm - Bottom diameter: 50mm - Connection in: 11mm (external) - Bottom diameter: 11mm (external) - Voltage 12V - Maximum working pressure 9.5 bar Flows at 13.5V 470 L/H at 3 bar 425 L/H at 4 bar 395 L/H at 5 bar 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. Mounted inside the tank. Connectors and pre-filter included 2 year full warranty on this fuel pump.