2002 2003 Subaru Impreza WRX STI GDB V7 2.0L DOHC Turbo AVCS Engine JDM EJ207 OEM

Description

Estimated donor mileage: 40,000–65,000 miles.

Compression Tested: This engine was individually compression tested.

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 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

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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: ECU, 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.

Shipping & delivery

Standard orders are normally handled and processed in 1 business day, Monday through Saturday, after payment is confirmed and product availability has been verified. Estimated carrier transit is 1-2 days after dispatch, with transit days Monday through Saturday. Combined with the 1 handling period above, the estimated total delivery time is 1-3 business days for standard destinations. These are estimates, not guarantees. Oversized or freight shipments, deliveries to Alaska, Hawaii, or U.S. territories, and deliveries requiring carrier appointments may take longer or require a separate quote. See our Shipping Policy.