Universal fit
No vehicle selection needed.
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Fitment not confirmed
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
In Melbourne? Fit it in our workshop.
We fit parts in-house at the RevZone workshop. Book a time and bring your car in.
Description
Radium Fuel Rail - Mazda 3 MPS BK / BL / Mazda 6 MPS GG
Suits:
- Mazda 3 MPS — BK (2006-2009)
- Mazda 3 MPS — BL (2009-2013)
- Mazda 6 MPS — GG (2005-2007)
The Radium Engineering Fuel Rail is CNC-machined from extruded 6063 aluminium, black anodised, and laser etched for a premium surface finish. Injector bores are 14mm ID — matching the OEM specification — so factory injectors are fully compatible. OEM injector retaining clip provisions are also implemented for a clean, factory-style installation.
Phenolic spacers and washers are included to thermally insulate the fuel rail from the cylinder head, protecting fuel temperature stability under high load. Compatible with all fuel types including E85 and alcohol blends.
Features
- CNC-machined from extruded 6063 aluminium
- Black anodised and laser etched finish
- 14mm ID injector bores — OEM injector compatible
- OEM injector retaining clip provisions
- Phenolic thermal insulating spacers and washers included
- Compatible with all fuel types including E85 and alcohol blends
- Bolt-on installation — no cutting or drilling required
Kit Includes
- Black anodised laser etched fuel rail
- Phenolic thermal insulating spacers
- Phenolic thermal insulating washers
- Stainless steel mounting hardware
Part Number:
- 20-0503-02 — Radium Fuel Rail (Mazda 3 MPS BK/BL / Mazda 6 MPS GG)
Why Radium Engineering?
- ✅ Manufactured in the USA to motorsport-grade tolerances
- ✅ CNC-machined billet aluminium components built for performance and longevity
- ✅ Trusted by high-power build tuners and race teams worldwide
- ✅ Bolt-on fitment — no cutting, drilling, or fabrication required
- ✅ Compatible with E85, pump petrol, and flex fuel sensor integration
Specifications
- Part Number
- 20-0503-02
- Brand
- Radium Engineering
Shipping
Orders are processed within 1-2 business days (Monday to Friday), and orders placed before 12pm AEST are usually dispatched the same day. Once dispatched, standard shipping takes 3-7 business days and express 1-3, with tracking emailed as your order leaves.
If part of your order is out of stock, we'll contact you with the option to split the shipment or hold it until everything is ready. Read the full shipping policy.
Returns
You have 14 days from delivery to request a return on unused parts in their original packaging. Refunds incur a 15% restocking fee (20% for special orders), or choose store credit and the full purchase value is applied to your account.
Parts that have been test fitted, installed, or used can't be returned, and special-order or overseas-ordered items are assessed case by case. Faulty or incorrectly supplied items are always covered at no cost to you. Read the full returns policy.