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OPTIONAL ACCESSORIES
and gear barrel position sensor input options
With Turbosmart’s Fuel Rail Adaptor
This switch ONLY activates with positive pressure
providing the stiffest link between engine and chassis
Radium Fuel Pressure Kit 08-21 Subaru Sti Black Actuator OPTIONAL ACCESSORIESThe 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