Radium Fuel Pressure Kit 08-21 Subaru Sti Black radium ls9 fuel rails This kit is for Subaru

This kit is for Subaru EJ race engines that cannot be used on public roads

n inlet port flange

1 x Link ECU Logo Button Insert included in box loose

Included are two M5x0

Radium Fuel Pressure Kit 08-21 Subaru Sti Black radium ls9 fuel rails This kit is for SubaruThe Radium engineering FPR kit replaces the factory regulator and re routes fuel to cycle through the engine's rails before reaching the regulator and returning to the tank. This is the preferred fuel line routing by Subaru tuners trying to address stumbling issues. The Radium Fuel Pressure Regulator offers adjustment from 20psi up with a 1: 1 vacuum reference. Interchangeable orifices allow the user to tune the regulator for any fuel pump flow. The