Radium Engineering Top Feed Fuel Rail Conversion Kit – 04-06 Subaru WRX STi, 04-05 Forester XT & 05-06 Legacy GT/Outback XT

Sale!

$298.52

NOTE: We would strongly suggest fully converting from side feed to top feed, please feel free to reach out to us by phone or email [email protected] regarding this!

Documents

Instructions & Videos

PORTS AND FITTINGS

The fuel rail ports are tapped for 8AN ORB.

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.

For details about the Fuel Rail Plumbing Kit, follow the link HERE. NOT INCLUDED IN THIS KIT.


Reference the chart below to be sure the proper fuel rails are ordered.

20-0568-02 linked HERE. (THIS PART)

20-0567-02 linked HERE.

20-0577-02 linked HERE.

20-0372 linked HERE. Please note that you need this part AND the part above (blue link).

The “conversion” fuel rails convert the OEM side feed fuel injector setup to top feed allowing the use of high-flow fuel injectors (not included). The fuel rail injector bores are 14mm ID. 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 engraved for a high-quality surface finish. The fuel rails are compatible with all fuel types including popular alcohol mixtures such as E85. Machined press-fit phenolic spacers are included to insulate intake manifold heat transfer.

The four billet injector seats are anodized and laser etched and provide a sealed receptacle for top-feed fuel injectors. The seats are designed for injectors with 14mm lower O-rings.

For the 20-0568-02 conversion fuel rails, do NOT purchase “WRX Fitment” top feed injectors. Read below regarding injector fitment information.

Below are some of the many fuel injectors that are a direct fit:

Injector Dynamics ID850-34-14-14
Injector Dynamics ID1050X-34-14-14
Injector Dynamics ID1300X-34-14-14
Injector Dynamics ID1700X-34-14-14
Injector Dynamics ID2600X-34-14-14
Evolved Injection DPI550-38-14-14
Evolved Injection DPI650-38-14-14
Evolved Injection DPI850-38-14-14
Evolved Injection DPI1000-38-14-14
Evolved Injection DPI1200-38-14-14
Evolved Injection DPI1300-38-14-14
Evolved Injection DPI2200-38-14-14
RC Engineering SM2-0310
RC Engineering SM2-0370
RC Engineering SM2-0450
Deatschwerks 16U-00-0042-4
Deatschwerks 16U-00-0050-4
Deatschwerks 16U-00-0065-4
Deatschwerks 16U-00-0090-4
Deatschwerks 16M-00-1500-4
Deatschwerks 16M-00-2200-416M-00-2200-4

20-0568-02 KIT INCLUDES:

-Black Anodized Laser Etched Aluminum Fuel Rails (x2)
-Green Anodized and Laser Etched 22mm Injector Seats (x4)
-Phenolic Thermal Insulating Press-In Spacers, 15mm (x4)
-Phenolic Thermal Insulating Press-In Bolt Washers (x4)
-Stainless Steel M8x1.25 Mounting Bolts (x4)

Additional information

Weight1 kg
Dimensions16 × 16 × 16 cm

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Applications

Models suitable for this product

MakeModelYearSubmodel
MakeModelYearSubmodel
SubaruForester2004 - 20052.5XT
SubaruImpreza2004 - 2006WRX STi
SubaruLegacy2005 - 20062.5GT
SubaruLegacy2006Spec B.
SubaruOutback2005 - 20062.5XT
SubaruWRX STi2004 - 2006

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