Radium Engineering Top Feed Fuel Rail Upgrade Top Port Subaru WRX 08-14/STI 08-14
- Brand: Radium Engineering
- Part #: 20-0577-02
- Adjustable: No
- Mfgr. Warranty: Limited
- Installation Instructions: Click HERE
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.
These fuel rails have the same mounting, injector spacing and fitment as the 20-0567-02 (above). 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).
The added clearance is necessary for the EJ207 and JDM EJ205 engines that have early AVCS solenoids with vertical connectors (shown below).
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