

2004-2006 Subaru Baja Turbo 2.0L H4 Engine JDM EJ20X Twin-Scroll Turbo
Stock number SUB-EN-EJ20X-001
In stock, ships from Grand Rapids
| Stock number | SUB-EN-EJ20X-001 |
|---|---|
| Make | Subaru |
| Engine code | EJ20X |
| Fits model years | 2004-2006 |
| Category | Engines, Subaru Engines |
| Shipping weight | 280 lbs (estimated) |
| Condition | Used, imported from Japan, tested before dispatch |
| Warranty | 90 days from delivery |
Prefer to write it down? Call +1 503-551-4892 or email Sales@hanedaautos.com.
Get a freight price firstThis ships by freight. It travels bolted to a pallet, and the price depends on your ZIP, whether the address is residential and whether you need a liftgate. Order online and we will send the freight price before anything leaves the floor, or get the price up front below.
Checking fitment? Call +1 503-551-4892 or email Sales@hanedaautos.com with your VIN and we will confirm it against this unit.
About this unit
| Feature | Detail |
| Engine Code | EJ20X (Dual AVCS / Twin-Scroll) |
| Displacement | 2.0 Liter |
| Configuration | Horizontally Opposed (Flat-Four) |
| Turbocharger | VF38 or VF44 (Twin-Scroll) |
| Valve Train | DOHC 16-Valve Dual AVCS |
| Horsepower | Approx. 260–280 hp |
| Compression Ratio | 9.5:1 |
Vehicle Fitment
This engine is a premium performance replacement for the following North American models:
Subaru Baja Turbo: 2004, 2005, 2006
Subaru Legacy GT / Outback XT: 2005, 2006
Subaru Forester XT: 2004, 2005, 2006
JDM EJ20X to USDM EJ255 Swap Guide
To successfully install the EJ20X into a North American Subaru Baja, professional technicians recommend the following “Integration” steps:
Turbo & Exhaust: The EJ20X features a Twin-Scroll Turbocharger and Header system. To utilize this, you must use the JDM downpipe. If you prefer to keep your USDM exhaust, you must swap your original USDM Single-Scroll Header, Up-pipe, and Turbo onto the JDM block.
Dual AVCS vs. Single AVCS: The EJ20X has cam sensors on the exhaust side. The USDM Baja ECU only supports Intake AVCS. Most installers leave the exhaust AVCS solenoids unplugged (which defaults to safe timing).
Wiring Harness: Always retain and use your original USDM Engine Wiring Harness. You will need to swap over your original USDM sensors (Crank, Cam, Knock) to ensure the harness plugs are 100% compatible.
Intake, Exhaust Manifold: We recommend transferring your original USDM Intake & Exhaust Manifold to ensure all vacuum lines, Tumble Generator Valves (TGV), and fuel lines match your factory harness and chassis.
Oil Pan & Pickup: Inspect the JDM oil pan for clearance. If the JDM pan differs from your original Baja pan, swap to your USDM Oil Pan and Pickup Tube to ensure perfect subframe and crossmember clearance.
What is included
You receive exactly what is pictured. Engines are supplied as a long block assembly with the components visible in the photos. Accessories such as the alternator, starter, intake manifold or sensors are included only where you can see them on the unit, so check the photographs before ordering and ask us if anything is unclear.
Before you order
- Confirm the engine code against your own vehicle, not just the model year.
- Japanese market units can differ from the US version in intake, loom and sensors.
- Replace the timing components, water pump and seals while the unit is out. It is cheap insurance on an engine this age.
- Keep your original accessories until the swap is finished and running.
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