Radium - Fuel Rails for Subaru EG and EZ

Manufactured with a large internal bore, the fuel rails can support all necessary engine power requirements. They are CNC machined from solid 6061 aluminum, black anodized, and laser etched for a high quality surface finish.

For injector height flexibility and thermal insulation, machined insulating spacers are included. Reference instruction manual for more information. The fuel rails are compatible with all fuel types including popular alcohol mixtures such as E85.

The fuel rail ports are tapped for 8AN ORB fittings.

• 8AN ORB Adapter Fittings can be found HERE
• 8AN ORB Direct Mount Regulators can be found HERE
• 8AN ORB Fuel Pulse Dampers can be found HERE
• Fuel Pressure Gauge Adapters can be found HERE

Want a complete engine bay plumbing kit that includes regulator, lines and fittings? Click HERE. Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is necessary for larger accessories such as fuel pressure regulators, fuel pressure gauges, and fuel pulse dampers. To verify clearance, the dimensional drawings on the product pages can be used as a reference guide.

20-0763-02 FUEL RAILS, TOP FEED CONVERSION, SUBARU EG33

The EG33 H-6 engine is found in the Subaru Alcyone SVX. Each fuel rail features three 8AN ORB threaded ports (6 total).

20-0764-02 FUEL RAILS, SUBARU PHASE-I EZ30

These H-6 fuel rails are for the original Subaru EZ30 Phase-I flat 6 engine. This engine is denoted by having a single exhaust port per bank. These engines also incorporate the Subaru air-assist fuel injection system. Each fuel rail has three 8AN ORB threaded ports (6 total). To reuse the OEM FPR, use 20-0301.

20-0765-02 FUEL RAILS, SUBARU PHASE-II EZ30 AND EZ36

These H-6 fuel rails are for the EZ30 (Phase-II) and EZ36 flat 6 engines. Each fuel rail has three 8AN ORB threaded ports (6 total). These rails are compatible with AVCS with ample clearance with the nearby AVCS solenoid.

NOTE: PHASE-II EZ30 ENGINE (ONLY). The front fuel rail port on the RH side cylinder head is very close to the AVCS. This port must be plugged using 14-0150 8AN ORB plug.