A rebuilt Walbro GSS340 pump adapted to handle ethanol (E85) and optimized for better flow. Made for in-tank installations and have good flow and long life when its used with Ethanol. This fuel pump, of course, works equally well on gasoline. Flow at 13,5V: 340L/H @ 3bar 310L/H @ 4 bar 275L/H @ 5bar 210L/H @ 6,5bar Maximum working pressure: 7 bar. Ranks over 800hp on gasoline and over 600hp on E85. Outlet female: 8mm barb hose adapter Diameter: 39mm Voltage: 12V Connector and pre-filter included in the kit 2 years full warranty on this fuel pump.