This in-tank fitting, high pressure / high flow fuel pump from APS is a direct equivalent to the TI Automotive (Walbro) 255 GSS342 pump and is an ideal upgrade for highly tuned engines where the OEM pump can not deliver enough fuel. It is also an ideal direct OEM replacement for stock pumps that have gone faulty (see below for a list of popular OEM applications).Ideal upgrade for highly tuned enginesDirect replacement for TI Automotive (Walbro) 255 GSS342 fuel pumpCapable of supporting up to 500 BHPIn-tank fitmentThese pumps will allow significantly more fuel to flow at a higher pressure. For example, at 80 PSI the standard 255 L/hr pump will flow around 132 liters (35 gallons) per hour. At that same 80 PSI this fuel pump will flow over 210 liters (50 gallons) per hour. 1 year warranty Kit Contents: 1 x Walbro 255 Type (GSS342 High Pressure) Fuel Pump, Protection / Insulation Sock, Fuel Filter / Strainer, Piece of Fuel Hose, Harness Wire, Rubber End Cap, Hose Clips / Clamps  Although