



Radium Engineering Fuel Rail for Mazda 3 MPS BK/BL/Mazda 6 MPS GG
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Description
Radium Fuel Rail - Mazda 3 MPS BK/BL/Mazda 6 MPS GG
Application: Mazda MZR 2.0L and Ford Duratec 2.0L / 2.3L DOHC I4
Part Type: Fuel rail
Part Number: 20-0503-02
The Radium fuel rail for Mazda MZR and Ford Duratec engines is CNC-machined from extruded 6063 aluminium, black anodised and laser etched. Its 14mm ID injector bores accept the factory injectors, and provisions for the OEM injector retaining clips are retained.
The ports are tapped 8AN ORB, and spacers and washers thermally insulate the rail from the cylinder head. It is compatible with all fuel types including E85.
Key Features
- Extruded 6063 Aluminium: CNC-machined, black anodised and laser etched
- OEM Injector Compatible: 14mm ID injector bores with OEM retaining clip provisions
- 8AN ORB Ports: For fittings, regulators, dampers or gauges
- Thermal Insulation: Spacers and washers insulate the rail from the cylinder head
- Fuel Compatibility: All fuel types including E85
What's Included
- Anodised, laser-etched fuel rail
- Stainless steel mounting hardware
- Thermal insulating spacers and washers
Optional Parts
- Radium Fuel Rail Plumbing - Mazda 3 MPS BK/BL/Mazda 6 MPS GG (20-0503-PK) – plugs and SAE fitting to make this rail a direct OEM replacement
- Radium Ford Sensor Adapter, 8AN ORB, 16mm Bore, 41mm Offset Spacing, M5 (20-1303) – adapts the OEM Bosch fuel pressure sensor on early (2005-2009) Ford Focus / (2005-2008) Escape
Important Notes
- Upgrade rail – requires OEM or OEM-equivalent injectors (same height and upper/lower O-ring diameters and styles); Radium does not recommend specific injectors
- Radium lists this rail for 2.0L Mazda MZR and 2.0L/2.3L Ford Duratec engines – it is not listed for the Mazda 3 MPS / Mazda 6 MPS turbo engine, contact us to confirm fitment
- Choose fittings to suit your application and allow ample clearance around the rail ports for regulators, gauges and dampers
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Mazda MZR 2.0L DOHC I4 (commonly Mazda MX-5 NC, 2005-2015)
- Ford Duratec 2.0L DOHC I4 (commonly Ford Focus)
- Ford Duratec 2.3L DOHC I4 (commonly Ford Focus)
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.

