Radium Engineering Top Feed Conversion Fuel Rails

Radium Engineering’s 20-0569-02 fuel rails convert side feed to top feed injectors for early Subaru EJ turbo engines. Designed specifically for Version 3–6 JDM models, these fuel rails offer improved fuel delivery and compatibility with ethanol-based fuels. Ideal for high-performance builds looking to upgrade injector options and simplify plumbing.

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 use "WRX fitment" injectors.

Compatible aftermarket injectors must have 48mm body length with 14mm upper and lower O-rings. Verified injectors include:

• 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

Overview:

• Converts side feed to top feed

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

• Includes thermal insulating spacers for reduced heat transfer

• Compatible with all fuel types including E85