Pay in 4 interest-free payments of $36.39 Learn more
Ships within 48 hours · Estimated delivery Oct 22 - Oct 27
PFR5-4025 is a replacement bush that includes aluminium sleeves with built-in support to increase control of rear diff movement and replaces all four bushes in the original rear diff front mounting bracket
For a list of 8AN ORB adapter fittings
Real Time:
**Protec 11928 (brushless)
Radium Fuel Pressure Kit 08-21 Subaru Sti Black silvia PFR5-4025 is a replacement bushThe 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
