Fuel Pressure Regulators

Radium Engineering 08-21 Subaru WRX STi (EJ257 Only) RA-Series Fuel Pressure Regulator KitThis Part Fits:YearMakeModelSubmodel2015-2021SubaruWRX STIBase2015SubaruWRX STILaunch Edition2015-2021SubaruWRX STILimited2019SubaruWRX STIS2092016SubaruWRX...

This kit includes a specially designed bracket and fittings to use the Radium DMR regulator off of the fuel rail. Only compatible with Radium's Gen 2 DMR.

Fuel pressure gauge kit includes 8AN ORB to 1/8NPT female adapter and a 90 degree M/F 1/8NPT elbow fitting.

Allows OEM fuel pressure regulator to be reused in an application other than the OEM fuel rail

Allows OEM fuel pressure regulator to be reused in an application other than the OEM fuel railThis Part Fits:YearMakeModelSubmodel2008MitsubishiLancerEvolution MR

Radium Engineering Fuel Pressure Regulator (Body Only)

Radium Engineering Fuel Pressure Regulator W/ 4 Bar Bosch Reg

Radium Engineering Fuel Pressure Regulator W/ 3 Bar Bosch Reg

Radium Engineering FPR Spring- Wide Range (Use with Radium MPR, DMR, and FST-R)

Replacement diaphragm for Radium fuel pressure regulators

Nitrous Express Fuel Pressure Regulator Non Bypass

The 5730 can be used with any of the Go Fast Bits range of fuel pressure regulators for those wanting to have a quick visual way of monitoring fuel pressure