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Radium Radium Engineering DPI Fuel Rails (For Radium Fuel Rail Housings Only) - 2002-2014 Subaru WRX

Radium Radium Engineering DPI Fuel Rails (For Radium Fuel Rail Housings Only) - 2002-2014 Subaru WRX

Radium Engineering

Regular price $237.45 USD
Regular price $237.45 USD Sale price $237.45 USD
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Radium Radium Engineering DPI Fuel Rails (For Radium Fuel Rail Housings Only) - 2002-2014 Subaru WRX
PRODUCT DETAILS
Radium Radium Engineering DPI Fuel Rails (For Radium Fuel Rail Housings Only) - 2002-2014 Subaru WRX
The DPI Fuel Rails are available for those who want to increase the flow volume to the injectors of the Subaru WRX. 

RallySport Direct carries highly engineered products designed to improve the performance and longevity of your vehicle brought to you by Radium Engineering. 

 

These are the Radium Engineering Direct Port Injection Fuel Rails. These fuel rails are available for those of you who need the increased flow capacity for larger injectors. These dual port injection fuel rails were designed specifically for the Radium Fuel Rail Housings, and they are not compatible with any others on the market. They have been manufactured with large 10AN ORB end ports, and they can support all necessary power requirements. 

 

HIGHLIGHTS:

  • CNC machined from 6061 aluminum materials
  • Anodized black finish and laser-engraved for a high-quality surface finish 
  • The end ports are tapped for 10AN ORB
  • The top ports are tapped for 8AN ORB
  • Compatible with all fuel types including alcohol mixtures such as E85, and is a necessary modification for those using methanol on high-powered engines
  • Each fuel rail has (4) injector ports that are machined to permit injectors with 14mm O-rings
  • OEM Subaru injectors or 60mm Bosch EV14 style fuel injectors can be used 

 

INCLUDES:

  • (2) Black laser-etched aluminum fuel rails
  • (4) Injector seats for aftermarket injectors
  • (4) Injector hats with filter screens for OEM injectors
  • (4) Thermal insulating press-in spacers
  • Stainless steel hardware
  • FKM O-ring seals

 


 

WHY WE CARRY THIS

We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.

  • Fitment-first mindset — no “universal” roulette
  • Brand reputation matters — we favor proven manufacturing
  • Support that actually responds with real answers
WHAT TO EXPECT

This is the clean path: correct fitment, clean install, and results that match the intent.

  • Install-ready experience with correct mounting where provided
  • Finish that holds up to real driving, not just photos
  • Selections on this page drive the exact fitment shipped

TRUST, BUILT INTO THE PROCESS.

Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”

Fitment checked

We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.

Brand discipline

Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.

Real support

If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.

The DPI Fuel Rails are available for those who want to increase the flow volume to the injectors of the Subaru WRX. 

RallySport Direct carries highly engineered products designed to improve the performance and longevity of your vehicle brought to you by Radium Engineering. 

 

These are the Radium Engineering Direct Port Injection Fuel Rails. These fuel rails are available for those of you who need the increased flow capacity for larger injectors. These dual port injection fuel rails were designed specifically for the Radium Fuel Rail Housings, and they are not compatible with any others on the market. They have been manufactured with large 10AN ORB end ports, and they can support all necessary power requirements. 

 

HIGHLIGHTS:

  • CNC machined from 6061 aluminum materials
  • Anodized black finish and laser-engraved for a high-quality surface finish 
  • The end ports are tapped for 10AN ORB
  • The top ports are tapped for 8AN ORB
  • Compatible with all fuel types including alcohol mixtures such as E85, and is a necessary modification for those using methanol on high-powered engines
  • Each fuel rail has (4) injector ports that are machined to permit injectors with 14mm O-rings
  • OEM Subaru injectors or 60mm Bosch EV14 style fuel injectors can be used 

 

INCLUDES:

  • (2) Black laser-etched aluminum fuel rails
  • (4) Injector seats for aftermarket injectors
  • (4) Injector hats with filter screens for OEM injectors
  • (4) Thermal insulating press-in spacers
  • Stainless steel hardware
  • FKM O-ring seals

 


 

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