




Radium Fuel Rail - Mazda MX-5 NA 89-93
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Description
Radium Fuel Rail - Mazda MX-5 NA 89-93
Application: Mazda 1.6L B6 – MX-5 NA (1989–1993) and other B6 applications
Part Type: Upgrade fuel rail
Part Number: 20-0769-02
The Radium 20-0769-02 is a 0.69" big bore upgrade fuel rail for the Mazda 1.6L B6, CNC machined from billet 6061 aluminium, black anodised and laser etched. It is a direct replacement for the OEM fuel rail.
All four threaded ports are tapped 8AN ORB for fittings, regulators, gauges and pulse dampers. For a plug-and-play installation that retains the OEM regulator and feed/return hoses, add the 20-0769-PK plumbing kit.
Key Features
- Big Bore: 17.5mm (0.69in) internal bore
- Direct Replacement: Bolts in place of the OEM fuel rail
- 8AN ORB Ports: Four ports tapped 8AN ORB (3/4"-16)
- Construction: CNC machined billet 6061 aluminium, black anodised and laser etched
What's Included
- Anodised billet aluminium fuel rail
Optional Parts
- Radium Fuel Rail Plumbing Kit, Mazda MX-5 NA (1989-1993) (20-0769-PK) – plug-and-play install retaining the OEM FPR and feed/return hoses
Important Notes
- Fittings not included
- Upgrade rail: OEM or OEM-equivalent injectors (same height and O-ring sizes/styles) must be used
- Radium does not make injector recommendations – consult your tuner
- Leave space around the ports for regulators, gauges and pulse dampers
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Mazda MX-5 / Miata NA (1989–1993) – 1.6L B6
- Eunos Roadster (1989–1993) – 1.6L B6
- Mazda Xedos 6 (1993–1999)
- Mazda Familia (1997–2003)
- Mazda Etude (1997–2003)
- Kia Sephia / Shuma / Spectra (1997–2004)
Not sure if this suits your vehicle? Email sales@coore.com.au and our team will confirm fitment.

