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1994-2021 Subaru STI (EJ Engines Only)
tested in the real world to achieve maximum flow and heat dispersion
Easy InstallationRear Hatch Vents are designed to factory specifications for easy installation and clean fit and finish
Higher octane fuel is more resistant to knock allowing for more aggressive ignition timing
Radium Fuel Rail JC5 1994-2021 Subaru STI (EJ EnginesThis Radium Engineering fuel rail is CNC machined from extruded 6063 aluminum, black anodized, and laser etched for a high quality surface finish. It features a large 0. 69" center bore for optimal flow. The fuel rail ports are tapped for 8AN ORB. Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is necessary for larger accessories such as fuel pressure regulators, fuel pressure gauges,
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