Radium Engineering fuel rail plumbing kit that complements the Radium MZR/Duratec fuel rail (20-0503-02) by adapting it to the stock fuel connection. It includes the 8AN ORB plugs and SAE fittings needed to run the rail as a direct OEM replacement on the Mazda MZR and Ford Duratec four-cylinder engines.
| Type | Fuel rail plumbing / adapter kit |
| Compatibility | Radium Mazda MZR / Ford Duratec fuel rail (20-0503-02) |
| Included | 8AN ORB plugs, 8AN ORB SAE quick-connect fitting |
| Application | Mazda MZR / Ford Duratec 4-cylinder (retains stock fuel connection) |
| Part Number | 20-0503-PK |
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Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
