Radium Engineering Top Feed Conversion Fuel Rails – Subaru EJ20/EJ25

Radium Engineering’s 20-0568-02 fuel rails convert the factory side feed injector setup to top feed on select Subaru EJ engines. These high-flow billet aluminium rails support increased fuel delivery and are E85 compatible, making them ideal for performance builds.

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 use "WRX fitment" injectors.

Compatible injectors must use 14mm upper and lower O-rings and 34mm body length. Verified injectors include:

• 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

Overview:

• Converts OEM side feed to top feed

• 14mm internal injector bores

• Compatible with all fuel types, including ethanol blends

• 3x 8AN ORB ports per rail (6 total) for flexible plumbing

• CNC machined and anodised for corrosion resistance

• Thermal spacers included for heat isolation