Description Secondary RX8 Fuel Rail allow you to run a return fuel system and an adjustable Fuel Pressure Regulator Replaces secondary fuel rail only. Designed to accept stock 11mm Injectors. Machined aluminum extrusion with machined mount brackets Bolt-on application All parts and hardware included Rail is tapped at both ends to accept 3/8 NPT fittings. Optional Injector Spacers for sealing the top feed injectors in engine. Please note this rail is designed to fit the Series 1, 6 Port Engine only. Will not work with the 192 or R3. Primary Rails Sold Separately.
