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. And unlike PTFE, this fuel hose helps absorb absorbs unwanted fuel injector pulses and has an easy to work with bend radius. IN STOCK + - Add to Cart Description Reviews Reference the chart below to be sure the proper fuel rails are ordered.
Unlike standard low-quality rubber fuel hose that degrades with alternate fuels, the provided Vapor Shield hose is resistant to all fuels including E85.įurthermore, the hose has a thermoplastic armor layer that guards against unwanted vapor permeation (gas smell). The fuel hose included in this kit can be cut and installed with standard tools and without special skills.
A variety of hose-ends are provided so the installer can custom tailor the fuel line routing for their specific vehicle.Ī parallel feed system is not possible with this kit. Pushlock hose-ends are easy to work with, making installation quick and painless. The 6AN swivel adapter fittings for the fuel rail ports are low profile making them ideal for the tight spaces associated with the EJ motor. Radium Engineering Top Feed Fuel Rails Black 2002-2014 WRX / 2007-2021 STI / 2008-2012 Legacy GT / 2006-2013 Forester XT 2 reviews 5 questions by Radium Engineering SKU 20-0567-02 Save 5 209.95 199.45 4 interest-free installments, or from 18. It is compatible with all factory hard lines, whether SAE quick connect or hose barb connections.Īn adjustable Radium Direct Mount Regulator (DMR) is included along with a Radium fuel pressure gauge to calibrate the DMR. This kit plumbs the fuel rails in series, beginning and ending at the factory hard lines near the LH strut tower. This engine bay plumbing kit is designed to be used with all Radium EJ fuel rails and includes all the necessary fittings, hose and other components to complete the installation and have a complete operating system. This product has been discontinued by Radium and is no longer available to purchase.
#Radium fuel rails sti install#
This install kit will plumb the fuel rails in series, beginning and ending at the factory hard lines near the LH strut tower. Includes vacuum hose and fittings to re-route the vacuum reference line from the #4 cylinder runner to the intake manifold plenum for a more stable vacuum signalĪlso available are 2 options for the fuel pressure regulator top color.The Radium Fuel Rail Install Kit is designed for use with the Radium EJ WRX/STi fuel rails.installs in the same location as the OEM fuel pressure regulator.Interchangeable orifices allow the user to tune the regulator for any fuel pump flow.
#Radium fuel rails sti upgrade#
adjustment from 20psi-up with a 1:1 vacuum reference Radiums Subaru Top-Feed Fuel Rail Upgrade Rail Kit is a perfect bolt-in option for Boxer engines designed with factory top-feed injectors.Replaces the factory regulator and re-routes fuel to cycle through the rails before reaching the regulator.Also included are vacuum hose and fittings to re-route the vacuum reference line from the #4 cylinder runner to the intake manifold plenum for a more stable vacuum signal. The kit installs in the same location as the OEM fuel pressure regulator. Interchangeable orifices allow the user to tune the regulator for any fuel pump flow. The Radium Fuel Pressure Regulator offers adjustment from 20psi-up with a 1:1 vacuum reference. Unlike anything else on the market these fuel rails are proper machined from the solid billet rails, not some cheap machined extrusion pretending to be. This is the preferred fuel line routing by Subaru tuners trying to address stumbling issues. The Radium FPR kit replaces the factory regulator and re-routes fuel to cycle through the engine's rails before reaching the regulator, and returning to the tank. Fuel is only routed to the engine when there is demand. The factory STi fuel line routing uses a quasi dead-end system that circulates fuel through the regulator, bypassing the engine. This kit is designed for use in the USDM 2008-2017 Subaru WRX STi (EJ257 only) and replaces the OEM fuel pressure regulator and damper assembly.
2008+ STi Fuel Pressure Regulator Kit by Radium
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