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Radium Engineering's fuel rail plumbing kit for Subaru EJ engines plumbs the fuel rails in series and uses Radium's direct‑mount regulator. The kit includes all fittings and lines, interfaces with factory feed and return pipes, and is E85 compatible. It complements a Radium fuel rail installation by providing the necessary plumbing and regulator mounting for a series feed fuel system.
Radium Engineering Subaru EJ Engines Fuel Rail Plumbing - Series
