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Radium Engineering EJ Top Feed Fuel Rail Upgrade with Top Port - Subaru EJ253 2004-2012

Radium Engineering SKU: RAD20-0577-02
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Radium Engineering's top port fuel rail upgrade is built for Subaru EJ engines that use top feed injectors from the factory, with the auxiliary 8AN ORB port moved to the top surface of each rail. That placement clears early AVCS solenoids with vertical connectors that interfere with center port rails. The rails are CNC machined, black anodized, laser etched, and E85 compatible, with 20mm press-in thermal insulating spacers and the same mounting and injector spacing as Radium 20-0567-02. OEM or OEM-equivalent injectors are reused, and EJ253 applications also require the 20-0372 adapter kit.

Specifications

Type Top feed fuel rail upgrade, top port (factory top feed EJ engines)
Finish Black anodized, laser etched
Ports One 8AN ORB per rail (top surface)
Spacers 20mm press-in thermal insulators
Fuel Compatibility Gasoline and E85
Pairs With Radium 20-0372 fuel rail adapter (required for EJ253)
Quantity 2 rails (left and right)
Part Number 20-0577-02

Documents: Installation Instructions (PDF)

This part fits:

Year Make Model Submodel
2008 Subaru Forester Sports 2.5 X
2008 Subaru Forester Sports 2.5 XT
2005-2010 Subaru Forester X
2006-2008 Subaru Forester X L.L. Bean Edition
2009-2010 Subaru Forester X Limited
2009-2010 Subaru Forester X Premium
2005 Subaru Forester XS
2005 Subaru Forester XS L.L. Bean Edition
2009-2010 Subaru Impreza 2.5 GT
2006-2011 Subaru Impreza 2.5i
2010-2011 Subaru Impreza 2.5i Premium
2004 Subaru Impreza Outback
2005-2011 Subaru Impreza Outback Sport
2004-2005 Subaru Impreza RS
2004 Subaru Impreza TS
2006-2012 Subaru Legacy 2.5i
2007-2012 Subaru Legacy 2.5i Limited
2010-2012 Subaru Legacy 2.5i Premium
2007-2009 Subaru Legacy 2.5i Special Edition
2005 Subaru Legacy i
2005 Subaru Legacy Limited
2006-2009 Subaru Outback 2.5i
2007 Subaru Outback 2.5i Basic
2008 Subaru Outback 2.5i L.L. Bean Edition
2006-2009 Subaru Outback 2.5i Limited
2008 Subaru Outback 2.5i Limited L.L. Bean Edition
2009 Subaru Outback 2.5i Special Edition
2008 Subaru Outback Base
2006 Subaru Outback R

Shipping

  • Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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