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AEM high-volume fuel rail for Mitsubishi 4G63 engines (Evo 8 & 9) increases fuel bore capacity to support high-flow applications and reduce backpressure pulses from larger injectors. It arrives black-anodized with laser engraving and is CNC machined from billet aluminum. The rail includes a custom factory fuel-line fitting, pre-tapped ends for -6 AN or 9/16"x18 fittings, an 1/8" NPT port for nitrous or a pressure gauge, and hardware plus injector O-rings for installation.
AEM 03-06 Evo 8 & 9 Black Fuel Rail
