Radium Engineering FPR/FPD Adaptor Subaru WRX/STI (GDA/GDB/GGA/GGB) / Mitsubishi Evo X (CZ4A) / Mazda MX-5 (NA/NB/NC) / Toyota 2JZ 8AN ORB 11mm Bore

Radium Engineering FPR/FPD Adaptor – Subaru WRX/STI (GDA/GDB/GGA/GGB) / Mitsubishi Evo X (CZ4A) / Mazda MX-5 (NA/NB/NC) / Toyota 2JZ – 8AN ORB 11mm Bore

Radium Engineering builds precision fuel system hardware trusted by tuners and race teams running high-power builds. This FPR/FPD adaptor lets you retain your OEM fuel pressure regulator or fuel pulse damper when converting to an aftermarket fuel rail, saving cost without sacrificing function. CNC-machined from billet 6061 aluminium and hard anodised for long term durability, it's a clean bolt-on solution for fuel system upgrades.

This listing covers the Radium Engineering 8AN ORB adaptor with an 11mm bore and 39mm mounting spacing. Compatible vehicles include the Subaru WRX and STI (GDA, GDB, GGA, GGB) from 2001–2007, the Mitsubishi Lancer Evolution X (CZ4A), Mazda MX-5 (NA, NB, NC), and Toyota 2JZ applications.

Specifications

• Port: 8AN ORB
• Bore: 11mm
• Mounting spacing: 39mm
• Mounting hardware: M6
• Material: Billet 6061 aluminium
• Finish: Hard anodised
• Clocking: Adjustable for correct orientation during installation
• Fuel compatibility: E85, pump petrol, flex fuel
• No cutting, drilling, or fabrication required

Vehicle compatibility and fitment notes are provided in the tabs above. Please confirm your vehicle's year, trim level, and fuel rail configuration before ordering.

Pairs Well With

• Radium Engineering Black Fuel Rail - Mitsubishi Lancer Evolution X (CZ4A) - 17.5mm Bore
• Radium Engineering Top Feed Fuel Rail Upgrade - Subaru WRX / STI (EJ20 / EJ25)
• Radium Engineering Fuel Rail - Mazda 1.8L (BP)
• Radium Engineering Top Feed Fuel Rail Conversion - Toyota Supra (2JZ-GTE)

Not sure if this adaptor suits your build? Contact our team at sales@chicaneaustralia.com.au for expert advice.