Vehicle Specifications

• Engine Code: EJ255 (JDM DOHC Turbo with Single AVCS)

• Displacement: 2.5 Liter (2,457cc)

• Configuration: Flat 4-Cylinder "Boxer" Turbocharged

• Valvetrain: 16-Valve DOHC with Variable Valve Timing

 

Vehicle Fitments

• 2008-2014 Subaru Impreza WRX (Non-STI models)

• Chassis Codes: GH8 (Hatchback), GE8 (Sedan), GRB/GVB (Widebody WRX)

• Note: Specifically designed for models utilizing the Single AVCS intake cam system.

 

Included Parts

• Complete JDM Engine Long Block (Block and DOHC Heads)

• Intake Manifold & Throttle Body (USDM swap recommended)

• Fuel Rails & Injectors

• Alternator, AC Compressor, & Power Steering Pump (Bonus items)

• Internal Timing Components & Sensors

 

Installation & Notes

• USDM Conversion: You must transfer your original USDM wiring harness, intake manifold, and all sensors to this JDM unit to ensure 100% ECU compatibility.

• Turbocharger: We recommend reusing your original USDM VF52 turbocharger or ensuring the JDM unit matches your existing downpipe/intercooler setup.

• Maintenance: We highly recommend a new timing belt kit, water pump, and spark plugs prior to installation.

• Oil: Use 5W-30 or 5W-40 Full Synthetic Motor Oil.