Radium Fuel Pressure Kit 08-21 Subaru Sti Black silvia For a list of 8AN

For a list of 8AN ORB adapter fittings

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Inc line brackets

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Radium Fuel Pressure Kit 08-21 Subaru Sti Black silvia For a list of 8ANThe 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