Product Description
Radium Engineering OEM Fuel Rail Adapter Fittings
These anodized billet 6061 aluminum adapter fittings allow an OEM fuel pressure regulator (FPR) or fuel pulse damper (FPD) to be reused in an application other than the OEM fuel rail. All fittings permit the unit to be clocked into the proper position.
Part Number: 20-0301
Fitting Threads: 8AN ORB male
FPR Threads: M6x1.0mm
Application:
Mazda MX-5 B6 Fuel Pressure Regulator
Mazda MX-5 BP Fuel Pressure Regulator
Mazda MX-5 BP Fuel Pulse Damper
Mitsubishi EVOX 4B11T Fuel Pressure Regulator
Toyota 1GR-FE Fuel Pressure Regulator
Toyota 2JZ-GE Fuel Pressure Regulator
Toyota 2JZ-GTE Fuel Pressure Regulator
Toyota 2RZ-FE Fuel Pressure Regulator
Toyota 3RZ-FE Fuel Pressure Regulator
Saab 9-2X Aero 2.0L Fuel Pressure Regulator
Subaru EJ20 GDA WRX Fuel Pressure Regulator
Subaru EZ30 Phase-I Fuel Pressure Regulator
Suzuki G16B Fuel Pressure Regulator
etc.
Required: Fuel rail must have a 8AN ORB female threaded port.
Part Number: 20-0302
Fitting Threads: 8AN ORB male
FPR Threads: M6x1.0mm
Application:
Eagle Talon 4G63 (2G DSM) Fuel Pressure Regulator
Mitsubishi Eclipse 4G63 (2G DSM) Fuel Pressure Regulator
Mitsubishi EVO IV Fuel Pressure Regulator
Mitsubishi EVO V Fuel Pressure Regulator
Mitsubishi EVO VI Fuel Pressure Regulator
Mitsubishi EVO VII Fuel Pressure Regulator
Mitsubishi EVO VIII Fuel Pressure Regulator
Mitsubishi EVO IX Fuel Pressure Regulator
etc.
Required: Fuel rail must have a 8AN ORB female threaded port.
Part Number: 20-0303
Fitting Threads: 8AN ORB male
FPR Threads: M5x0.8mm
Application:
Nissan RB26DETT Fuel Pressure Regulator
Nissan RB25DET Fuel Pressure Regulator
Nissan RB20DET Fuel Pressure Regulator
Nissan SR20DET Fuel Pressure Regulator
Nissan KA24DE Fuel Pressure Regulator
Nissan CA18DET Fuel Pressure Regulator
Saab 9-2X Aero 2.5L Fuel Pressure Regulator
Subaru EJ20 GC8 WRX Fuel Pressure Regulator
Subaru EJ25 GR WRX Fuel Pressure Regulator
Mazda RX-7 13B-REW Fuel Pressure Regulator
etc.
Required: Fuel rail must have a 8AN ORB female threaded port.
Part Number: 20-0460
Fitting Threads: 8AN ORB male
FPR/FPD Threads: M6x1.0mm
Application:
Nissan VQ35DE Fuel Pulse Damper
Nissan VR38DETT Fuel Pulse Damper
Nissan VR38DETT Fuel Pressure Regulator
etc.
Required: Fuel rail must have a 8AN ORB female threaded port.
Part Number: 20-0595
Fitting Threads: 8AN ORB male
FPR Threads: M6x1.0mm
Application:
Honda D16Y7 Fuel Pressure Regulator
Honda D16Y8 Fuel Pressure Regulator
Honda B20 Fuel Pressure Regulator
Honda F20A4 Fuel Pressure Regulator
Honda F20B Fuel Pressure Regulator
Honda F20C Fuel Pressure Regulator
Honda F22C1 (04-05 Only) Fuel Pressure Regulator
Honda F23A Fuel Pressure Regulator
etc.
Required: Fuel rail must have a 8AN ORB female threaded port.
Part Number: 20-0603
Fitting Threads: 8AN ORB male
FPR Threads: M6x1.0mm
Application:
Honda D16Z6 Fuel Pressure Regulator
Honda B16 Fuel Pressure Regulator
Honda B18B Fuel Pressure Regulator
Honda F22A1 Fuel Pressure Regulator
Honda F22A4 Fuel Pressure Regulator
Honda F22A6 Fuel Pressure Regulator
Honda H22A1 Fuel Pressure Regulator
Honda H22A4 Fuel Pressure Regulator
Honda H23 Fuel Pressure Regulator
etc.
Required: Fuel rail must have a 8AN ORB female threaded port.
Part Number: 20-0663
Fitting Threads: 8AN ORB male
Fuel Pressure Sensor: 9.5mm Bore
Application:
2022+ Toyota GR Corolla
2020+ Toyota GR Yaris
2018+ Toyota 2.0L Engines
2018+ Toyota 2.5L Engines
etc.
Required: Fuel rail must have a 8AN ORB female threaded port.
Part Number: 20-0842
Fitting Threads: 8AN ORB male
FPR Threads: M6x1.0mm
Application:
Eagle Talon 4G63 (1G DSM) Fuel Pressure Regulator
Plymouth Laser 4G63 (1G DSM) Fuel Pressure Regulator
Mitsubishi Eclipse 4G63 (1G DSM) Fuel Pressure Regulator
Mitsubishi Galant VR4 Fuel Pressure Regulator
etc.
Required: Fuel rail must have a 8AN ORB female threaded port.
Part Number: 14-0165
Fitting Threads: 3/8" NPT male
FPR Threads: M5x0.8mm
Application:
Nissan RB26DETT Fuel Pressure Regulator
Nissan RB25DET Fuel Pressure Regulator
Nissan RB20DET Fuel Pressure Regulator
Nissan SR20DET Fuel Pressure Regulator
Nissan KA24DE Fuel Pressure Regulator
Nissan CA18DET Fuel Pressure Regulator
Saab 9-2X Aero 2.5L Fuel Pressure Regulator
Subaru EJ20 GC8 WRX Fuel Pressure Regulator
Subaru EJ25 GR WRX Fuel Pressure Regulator
Mazda RX-7 13B-REW Fuel Pressure Regulator
etc.
Required: Fuel rail must have a 3/8" NPT female threaded port. PTFE sealing paste. Each end of the adapter fitting mimics the profile of an 11/16" (18mm) wrench for rotating during installation.
Part Number: 14-0285
Fitting Threads: 8AN ORB male
Application:
Toyota 1JZ-GTE Non VVT-i Fuel Pressure Regulator
Toyota 1JZ-GTE VVT-i Fuel Pressure Regulator
Toyota 3S-GTE Fuel Pressure Regulator
Toyota 1UZ-FE Fuel Pressure Regulator
Mazda RX-7 FC Series 4 Fuel Pressure Regulator
etc.
Required: Fuel rail must have a 8AN ORB female threaded port.
Part Number: 20-0014
Fitting Threads: 6AN ORB high pressure female ports (in/out). 6AN male male low pressure return port. 1/8" NPT female port.
Application:
Audi 1.8L Turbo Fuel Pressure Regulator
Ford Falcon BA, BF, FG XR6 Turbo Fuel Pressure Regulator
Ford Territory Turbo Fuel Pressure Regulator
FPV F6 Typhoon Turbo Fuel Pressure Regulator
Volkswagen 1.8L Turbo Fuel Pressure Regulator
etc.
Required: Mounts external to the fuel rail. A mounting location is required with hose and hose ends. PTFE sealing paste for 1/8" NPT port. 
Part Number: 20-0459
Fitting Threads: 8AN ORB male
Application:
Nissan VQ35HR Fuel Pulse Damper
Nissan VQ37VHR Fuel Pulse Damper
Nissan VQ40DE Fuel Pulse Damper
Nissan VR38DETT Fuel Pulse Damper
etc.
Required: Fuel rail must have a 8AN ORB female threaded port.
