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Radium Engineering Fuel Rail, Toyota Supra Non-Turbo 2JZ-GE Suspension If you're equipping an aftermarketClick here to download installation instructions (PDF) PORTS AND FITTINGS This fuel rail features four ports (both ends and two on the bottom) that are female tapped for 8AN ORB fittings. However, the front port is not useable unless the OEM engine harness is modified. 8AN ORB Adapter Fittings can be found HERE. 8AN ORB Direct Mount Regulators can be found HERE. 8AN ORB Fuel Pulse Dampers can be found HERE. Fuel Pressure Gauge Adapters can be found