The auxiliary port is located on the top surface of the fuel rails, making this setup ideal for applications that would experience clearance issues with AVCS components. For applications that were top-feed injectors from the factory. CNC machined, anodized and compatible with E85.
Radium Engineering Subaru WRX/STI EJ-Series Engines Top Feed Fuel Rails (w/ Top Port)
INSTALLATION INSTRUCTIONS AVAILABLE AT RADIUMAUTO.COM
FUEL RAILS, TOP FEED UPGRADE, SUBARU EJ, TOP PORT
Fuel Injector Rail
SUB TOP PRT RAILS
