8/9/2023 0 Comments Radium fuel rails sti![]() The added clearance is necessary for the EJ207 and JDM EJ205 engines that have early AVCS solenoids with vertical connectors (shown below).Ģ0-0764-02 FUEL RAILS, SUBARU PHASE-I EZ30 However, each fuel rail has an 8AN ORB "top port", unlike 20-0567-02 which has a center lower port (picture below shown with Fuel Rail Adapter 20-0372). These fuel rails have the same mounting, injector spacing and fitment as the 20-0567-02 (above). Stainless Steel M8x1.25 Mounting Bolts (x4)Ģ0-0577-02 FUEL RAILS, TOP FEED UPGRADE, SUBARU EJ, TOP PORT Thermal Insulating Press-In Spacers, 20mm (x4) Black Anodized Laser Etched Aluminum Fuel Rails (x2) If this is the case, use P/N: 20-0577-02 below. NOTE: The center port bulge can create an interfere with early AVCS solenoids found in the EJ207 and JDM EJ205. However, these fuel rails feature a 8AN ORB port machined in the underside center of each fuel rail, as shown below. These fuel rails have the same mounting and injector spacing as the 20-0577-02. ![]() Radium Engineering cannot specify any further injector dimensions other than stating ‘OEM equivalent’. If upgrading fuel injectors, consult your aftermarket injector supplier for details. This fuel rail is compatible with factory or OEM equivalent fuel injectors. ![]() The fuel rails are compatible with all fuel types including popular alcohol mixtures such as E85.Ģ0-0567-02 FUEL RAILS, TOP FEED UPGRADE, SUBARU EJ Reference instruction manual for more information. All injectors must use 11mm diameter upper O-rings just like the OEM Subaru injectors. For injector height flexibility and thermal insulation, 2 sets of machined insulating spacers are included. These fuel rails are designed specifically for OEM or equivalent fitment injectors. 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. Reference the chart below to be sure the proper fuel rails are ordered. To verify clearance, the dimensional drawings on the product pages can be used as a reference guide. 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. Appropriate fittings must be selected based on the specific application. Want a complete engine bay plumbing kit that includes regulator, lines and fittings? Click HERE. The fuel rail ports are tapped for 8AN ORB.ĨAN ORB Adapter Fittings can be found HERE.ĨAN ORB Direct Mount Regulators can be found HERE.ĨAN ORB Fuel Pulse Dampers can be found HERE.įuel Pressure Gauge Adapters can be found HERE. Stainless Steel M8x1.Download discontinued 20-0467-02 fuel rail instructions (PDF) Thermal Insulating Press-In Spacers, 20mm (x4) Black Anodized Laser Etched Aluminum Fuel Rails (x2) The added clearance is necessary for the EJ207 and JDM EJ205 engines that have early AVCS solenoids with vertical connectors. However, each fuel rail has an 8AN ORB "top port", unlike 20-0567-02 which has a center lower port. These fuel rails have the same mounting, injector spacing and fitment as the 20-0567-02. The fuel rails are compatible with all fuel types including popular alcohol mixtures such as E85. They are CNC machined from solid 6061 aluminum, black anodized, and laser etched for a high quality surface finish. ![]() Manufactured with a large internal bore, the fuel rails can support all necessary engine power requirements. The fuel rail ports are tapped for 8AN ORB.Īppropriate fittings must be selected based on the specific application. Radium Engineering Fuel Rails Top Feed Upgrade - Subaru WRX (JDM/EDM) / WRX STI 01-06 (JDM) / WRX STI 01-02 (JDM). ![]()
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