




Radium Engineering Fuel Rail Adapter for Subaru Ver8/9 EJ207, 2.5i EJ253
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Description
Radium Fuel Rail Adapter - Subaru Ver8/9 EJ207, 2.5i EJ253
Application: Subaru EJ207 (JDM Ver8/9 manifold), EJ253 (aluminium manifold) and EJ259
Part Type: Top feed fuel rail adapters (pair)
Part Number: 20-0372
The Impreza 2.5i (EJ253) and JDM Ver8/9 STI (EJ207) intake manifolds are a popular choice when removing the tumble generator valves on modified engines. The Radium Fuel Rail Adapters allow Radium Subaru top-feed fuel rails to be fitted to these manifolds.
The slotted holes are positioned for the EJ253 intake manifold; moving the adapters outward allows fitment on the JDM Ver8/9 EJ207 STI manifold. The adapters are CNC machined from billet 6061 aluminium, anodised and laser etched, and supplied with stainless steel hardware.
Key Features
- Manifold Adaptation: Fits Radium top-feed fuel rails to EJ253, EJ259 and EJ207 manifolds
- Slotted Positioning: Set for EJ253; move outward for the Ver8/9 EJ207
- TGV Delete Friendly: Suits engines with tumble generator valves removed
- Billet Construction: CNC machined billet 6061 aluminium
- Finish: Anodised and laser etched
- Stainless Hardware: Low-profile stainless steel mounting screws
What's Included
- Anodised billet aluminium adapter (x2)
- Stainless steel low-profile mounting screws (x4)
Important Notes
- Fuel rails are not included – use with the applicable Radium Subaru top-feed fuel rail kit (see Radium application chart)
- EJ207 fitment is for the JDM Ver8/9 intake manifold only; EJ253 fitment is for the aluminium intake manifold only
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Subaru EJ207 – JDM Impreza WRX STI Ver8/Ver9 intake manifold only
- Subaru EJ253 – aluminium intake manifold only (1999-2009)
- Subaru EJ259 – all versions
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.

