Radium Engineering Fuel Hanger Plumbing Kit EVO 7/8/9 Microglass Filter - 20-0376-05OVERVIEW The plumbing kits include everything required to connect the fuel hanger directly to an aftermarket fuel rail and FPR for both single and dual pump configurations. This includes a pre made PTFE 8AN feed line with in line filter from the hanger up to the engine bay and the kit re uses the factory feed line as the regulator return line. The OEM return line is not reused (too small). This plumbing kit MUST be used with an aftermarket fuel rail