Walbro GST450 Walbro GST 450 is an in-tank fuel pump that  also work well for ethanol. Developed to provide maximum flow in a compact format that will facilitate installation. Technical Data: 2 bar - 450 Liter / Hour 3 bar - 425 Liter / Hour 4 bar - 385 Liter / Hour 5 bar - 350 Liter / Hour 6 bar - 280 Liter / Hour Length: 121mm Diameter at the top: 39mm Diameter at the bottom: 50mm Inlet: 11mm Outlet: 9mm Fits very well in the luminaire of many Volvo cars, Nissan, Saab, Sabaru Impreza etc.