Walbro 450 lph Competition In Tank Fuel Pump Kit THIS IS THE COMPLETE KIT INCLUDING FILTER, WIRING, AND FITTINGS, NOT JUST THE BARE PUMP. Description: Out performs all current in-tank fuel pumps, we have seen these used in excess of 500hp! Kit includes pump, wiring, filter sock and a small section of fuel hose. Specification and sizing: Fittings In:- 11mm Fittings Out:- 9mm Pump:- Walbro GST450 Voltage DC:- 12 Flow Ltr/Hr (Max):- 516 Flow Ltr/Hr @ 3 Bar (44psi):- 420 Flow Ltr/Hr @ 5 Bar (73psi):- 390 Max Pressure (Bar):- 8.3 Length:- 130mm Diameter:- 50 / 39mm