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The Radium Engineering fuel rail for 4-cylinder Mazda MZR and Ford Duratec engines is a CNC-machined replacement rail that bolts to the engine without permanent modification. It features four 8AN ORB ports for plumbing and accessory feeds and accepts stock or any aftermarket injectors with the same fitment, providing a clean, serviceable upgrade for upgraded fuel systems.
Radium Engineering Mazda MZR / Ford Duratec Fuel Rail
