Radium Engineering's Subaru EJ fuel rails are high-performance fuel delivery components specifically designed for Subaru engines equipped with the popular EJ-series platform, such as the EJ205, EJ207, and EJ257. These fuel rails are engineered to support high horsepower builds by increasing fuel flow capacity, ensuring even fuel distribution, and improving overall engine reliability under demanding conditions. Constructed from high-quality materials like aluminum and finished with corrosion-resistant coatings, Radium’s fuel rails are compatible with various fuel types including E85. Whether you're upgrading your WRX, STI, or another EJ-powered vehicle for street or track use, Radium fuel rails offer a robust, efficient solution for optimizing fuel delivery in turbocharged applications.
20-0567-02 FUEL RAILS, TOP FEED UPGRADE, SUBARU EJ
VEHICLE COMPATIBILITY
02-14 Subaru Impreza WRX (USDM)
07-14 Subaru Impreza WRX (JDM/EDM)
07-21 Subaru Impreza WRX STi
06-13 Subaru Forester XT
01-03 Subaru Legacy GT (JDM)
07-12 Subaru Legacy GT
07-12 Subaru Outback XT
05-06 Saab 9-2X Aero
FUEL INJECTOR COMPATIBILITY
This fuel rail is compatible with factory or OEM equivalent fuel injectors. The machined injector ports are designed for 11mm upper injector O-rings. If upgrading fuel injectors, consult your aftermarket injector supplier for details. Radium Engineering cannot specify any further injector dimensions other than stating ‘OEM equivalent’.
20-0568-02 FUEL RAILS, TOP FEED CONVERSION, SUBARU EJ
VEHICLE COMPATIBILITY
04-06 Subaru WRX STi (USDM)
04-05 Subaru Forester XT
05-06 Subaru Legacy GT
04-06 Subaru Legacy GT (JDM)
05-06 Subaru Outback XT
FUEL INJECTOR COMPATIBILITY
Do NOT purchase "WRX Fitment" injectors.
Below are some of the many fuel injectors that are a direct fit:
Injector Dynamics ID1050-XDS-34-14-14
Injector Dynamics ID1300-XDS-34-14-14
Injector Dynamics ID1700-XDS-34-14-14
Injector Dynamics ID2600-XDS-34-14-14
20-0569-02 FUEL RAILS, TOP FEED CONVERSION, SUBARU EJ V3-6
VEHICLE COMPATIBILITY
97-00 Subaru Impreza WRX (JDM/EDM)
97-00 Subaru Impreza WRX STi (JDM)
98-01 Subaru Forester (JDM, EJ20G)
92-00 Subaru Legacy GT (JDM, EJ20G)
FUEL INJECTOR COMPATIBILITY
Do NOT purchase "WRX Fitment" injectors. Below are some of the many fuel injectors that are a direct fit:
Injector Dynamics ID1050-XDS-48-14-14
Injector Dynamics ID1300-XDS-48-14-14
Injector Dynamics ID1700-XDS-48-14-14
Injector Dynamics ID2600-XDS-48-14-14
20-0577-02 FUEL RAILS, TOP FEED UPGRADE, SUBARU EJ, TOP PORT
VEHICLE COMPATIBILITY
01-06 Subaru Impreza WRX (JDM/EDM)
01-06 Subaru Impreza WRX STi (EDM)
01-02 Subaru Impreza WRX STi (JDM)
The vehicles below also require 20-0372
03-06 Subaru Impreza WRX STi (JDM)
04-11 Subaru Impreza (EJ253)
05-10 Subaru Forester (EJ253)
05-12 Subaru Legacy (EJ253)
06-09 Subaru Outback (EJ253)
FUEL INJECTOR COMPATIBILITY
This fuel rail is compatible with factory or OEM equivalent fuel injectors. The machined injector ports are designed for 11mm upper injector O-rings. If upgrading fuel injectors, consult your aftermarket injector supplier for details. Radium Engineering cannot specify any further injector dimensions other than stating ‘OEM equivalent’.
20-0579-02 FUEL RAILS, TOP FEED CONVERSION, SUBARU EJ V1-2
VEHICLE COMPATIBILITY
98-99 Subaru Legacy SUS (EJ25D)
96-97 Subaru Legacy LSi (EJ25D)
96-99 Subaru Legacy GT (EJ25D)
94-98 Subaru Legacy (JDM, EJ25D)
94-98 Subaru Grand Wagon (JDM, EJ25D)
94-98 Subaru Lancaster (JDM, EJ25D)
96-99 Subaru Outback (EJ25D)
92-96 Subaru Impreza WRX (EJ20G)
1998 Subaru Impreza 2.5RS (EJ25D)
1998 Subaru Forester (EJ25D)
FUEL INJECTOR COMPATIBILITY
Do NOT purchase "WRX Fitment" injectors.
Below are some of the many fuel injectors that are a direct fit:
Injector Dynamics ID1050-XDS-34-14-14
Injector Dynamics ID1300-XDS-34-14-14
Injector Dynamics ID1700-XDS-34-14-14
Injector Dynamics ID2600-XDS-34-14-14
20-0869-02 FUEL RAILS, TOP FEED UPGRADE, SUBARU EJ22/EJ251
VEHICLE COMPATIBILITY
*1999 Subaru Impreza 2.2L (CARB)
99-01 Subaru Impreza 2.2L (FED)
99-04 Subaru Impreza 2.5RS
99-04 Subaru Impreza 2.5TS
99-04 Subaru Impreza 2.5OBS
99-04 Subaru Forester
*1999 Subaru Legacy 2.2L (CARB)
1999 Subaru Legacy 2.2L (FED)
00-04 Subaru Legacy 2.5L
00-04 Subaru Outback
03-05 Subaru Baja
*Not compatible with OEM top feed injectors. The following is also required: 20-0816 (x4), 14-0720 (x4), Flat Head M8x1.25x60mm Screws (x4)
FUEL INJECTOR COMPATIBILITY
This fuel rail is compatible with the OEM air assist fuel injectors found on the EJ251 (shown below). However, it is not compatible with the OEM air assist fuel injectors found on the EJ22 as they use 11mm upper injector O-rings. The machined injector ports are designed for 14mm upper injector O-rings.