Unlock the true potential of your Subaru with this authentic JDM 2002-2003 Impreza WRX STI Version 7 EJ207 Engine. This is the legendary 2.0L DOHC high-revving boxer engine that defined the V7 "Bugeye" era of Japanese rally performance. Featuring a sophisticated AVCS (Active Valve Control System) for optimized torque delivery, forged internal components, and a factory-balanced high-RPM design, this EJ207 is widely considered the "holy grail" for GD chassis builders. Imported directly from Japan, this low-mileage power plant is the ultimate replacement for worn domestic EJ205/EJ255 engines, providing a more robust, responsive, and exhilarating driving experience than any US-spec equivalent.

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Vehicle Specifications

• Year Range: 2002, 2003

• Make & Model: Subaru Impreza WRX STI (JDM Version 7 / GDB Platform)

• Engine Code: EJ207 (2.0L DOHC Turbocharged Boxer)

• Performance Tech: AVCS (Active Valve Control System)

• Horsepower: Factory JDM Rated (~280hp / 309lb-ft)

• Redline: 8,000 RPM high-revving factory capability

• Origin: Japan (Genuine Japanese Domestic Market Performance Import)

• Condition: Premium Used Performance Import (Compression tested, leak-down verified, timing belt/seals inspected, and verified operational)

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Vehicle Fitments

• Direct Bolt-In Compatibility: 2002-2003 Subaru Impreza WRX (GD/GG Chassis).

• Upgrade Fitment: 2004-2007 Subaru Impreza WRX / STI (Requires minor wiring/harness integration for AVCS activation).

• Chassis Note: Designed for the GD/GG platform. Standard engine mounts and bellhousing patterns match all WRX 5-speed and STI 6-speed manual transmissions.

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Included Parts

• Engine Long-Block: Complete EJ207 assembly with intake manifold, fuel rails, and injectors

• Turbocharger: Genuine JDM VF-Series STI Turbocharger

• Ancillaries: Alternator, power steering pump, A/C compressor, and ignition coil packs

• Electronics: Crank and cam angle sensors, MAF sensor, and AVCS solenoid set

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Installation & Conversion Notes

• AVCS Activation (Critical): To utilize the EJ207's primary performance advantage, the vehicle's ECU must be tuned or replaced to control the AVCS oil control solenoids. We recommend a dedicated JDM-swap ECU or a standalone management system.

• Fuel Requirements: This engine is factory-calibrated for high-octane Japanese fuel. It is mandatory to use 93+ octane premium gasoline in the US. A professional dyno-tune is highly recommended upon installation to ensure correct air/fuel ratios and longevity.

• Maintenance: Before firing up your new engine, install a fresh timing belt, water pump, and oil pump seals. Fill with 5W-40 full-synthetic oil to maintain the health of the high-revving rotating assembly.

• Harness Compatibility: If you are swapping this into a USDM car, verify that your engine wiring harness plugs match your chassis bulkhead. In most cases, existing engine-side harness clips will interface directly, but professional harness inspection is advised.