
Radium Fuel Rail Plumbing Kit - Honda S2000 AP1 99-04
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Description
Radium Fuel Rail Plumbing Kit - Honda S2000 AP1 99-04
Application: Honda S2000 (2000–2005) with Radium 20-0591-02 fuel rail
Part Type: Fuel rail plumbing kit
Part Number: 20-0091-PK
This Radium plumbing kit makes the Radium S2000 fuel rail (20-0591-02) a plug-and-play installation using the OEM fuel configuration. The green 6AN male fitting secures directly to the factory inverted flare line, and a 6AN PTFE hose connects it to the 8AN ORB to 6AN male fitting in the upper rear rail port to become the new feed line.
Two 8AN ORB plugs seal the front and rear rail ports, and the OEM fuel pressure regulator connects to all of the factory lines.
Key Features
- Plug-and-Play: Everything needed to plumb the Radium rail to the factory system
- Factory Line Connection: M14 inverted flare to 6AN male fitting secures to the OEM line
- PTFE Feed Hose: 6AN PTFE hose, resistant to all fuel types
- OEM Regulator Retained: Factory fuel pressure regulator connects to all factory lines
What's Included
- M14 inverted flare to 6AN male fitting
- 8AN ORB to 6AN male fitting
- 2x 8AN ORB plugs
- 6AN PTFE hose
Optional Parts
- Radium Fuel Rail - Honda S2000 AP1 99-04 (20-0591-02) – the Radium fuel rail this kit plumbs (required, sold separately)
Important Notes
- Fuel rail not included – this kit suits the Radium 20-0591-02 rail
- The 20-0591-02 is an upgrade rail – OEM or OEM-equivalent injectors must be used
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Honda S2000 (2000–2005)
Not sure if this suits your vehicle? Email sales@coore.com.au and our team will confirm fitment.

