Subaru Impreza WRX STI 2008–2021 2.5L Turbo Engine – JDM Low Mileage EJ257 Motor

Fully Compression Tested – Pulled from Run & Drive Vehicle – 30 Day Warranty

If your STI is suffering from rod knock, ringland failure, spun bearing, or excessive oil consumption, this is the engine you’ve been looking for.

J-Spec Auto Sports is offering a JDM low mileage Subaru EJ257 2.5L turbo engine, fully compression tested and carefully removed from a verified run-and-drive vehicle. Every engine is inspected before shipment and backed by a 30-day startup warranty for peace of mind.

This is the legendary turbocharged EJ257 — the heart of the 2008–2021 Subaru WRX STI platform.

Engine Overview

• Engine Code: EJ257

• Displacement: 2.5L Turbocharged

• Configuration: DOHC Flat-4 Boxer

• AVCS: Dual AVCS

• Fuel Type: Gasoline

• Condition: Used JDM – Low Mileage

• Compression Tested: Yes

• Pulled From: Verified Run-and-Drive Vehicle

• Warranty: 30-Day Startup Warranty

This is not an untested warehouse engine. This motor was removed from a functioning vehicle and verified prior to disassembly.

Fully Compression Tested

Before listing, this EJ257 undergoes compression testing to confirm:

✔ Even cylinder readings
✔ Strong internal health
✔ No major internal damage
✔ Reliable startup condition

We do not sell unknown-condition engines. Testing ensures you receive a motor ready for installation.

Compatible Vehicles

Direct Fit For:

• 2008 Subaru Impreza WRX STI

• 2009 Subaru Impreza WRX STI

• 2010 Subaru Impreza WRX STI

• 2011 Subaru Impreza WRX STI

• 2012 Subaru Impreza WRX STI

• 2013 Subaru Impreza WRX STI

• 2014 Subaru Impreza WRX STI

• 2015 Subaru WRX STI

• 2016 Subaru WRX STI

• 2017 Subaru WRX STI

• 2018 Subaru WRX STI

• 2019 Subaru WRX STI

• 2020 Subaru WRX STI

• 2021 Subaru WRX STI

Chassis Codes:

• GRB (Hatchback)

• GVF (Sedan)

• VA STI

Always verify compatibility for your specific trim and transmission.

Why the EJ257 Remains a Top Choice

The EJ257 is Subaru’s flagship performance engine and offers:

✔ Strong factory turbo power
✔ Forged crankshaft design
✔ Massive aftermarket support
✔ Proven durability when maintained
✔ Excellent tuning capability

Whether you plan to keep it stock or build for higher boost levels, the EJ257 provides the correct OEM performance foundation.

Pulled from a Run-and-Drive Vehicle

Many engines on the market are removed from unknown-condition vehicles. This EJ257 was:

• Removed from a confirmed running vehicle

• Verified before disassembly

• Carefully extracted

• Properly stored

That matters when you’re investing in a turbo engine.

30-Day Startup Warranty

We stand behind our engines. Your purchase includes a 30-day startup warranty, giving you protection during installation and initial operation.

Our goal is to provide confidence — not uncertainty.

Ideal For:

• Blown engine replacement

• Ringland failure repair

• Rod knock repair

• High-mileage STI refresh

• Stock rebuild foundation

• Performance builds

If your STI is down, this engine gets you back on the road properly.

What’s Included

Engine is sold as a long block assembly. Depending on availability, it may include:

• Intake manifold

• Turbocharger

• Fuel rails

• Coil packs

• Sensors

Exact accessories may vary — contact us for current configuration details.

Why Buy From J-Spec Auto Sports?

J-Spec Auto Sports specializes in:

• JDM Subaru turbo engines

• STI 6-speed transmissions

• Complete front clips

• EJ-series motors

• Rare performance Subaru components

We inspect, compression test, and verify engines before shipment. Our reputation is built on transparency and Subaru expertise.

Nationwide Freight Shipping

All engines are securely palletized and shipped via freight carrier across the United States.

Local pickup may also be available.

See more EJ255 STI motors:  https://jspecauto.com/product-category/engines/?_product_brand=subaru&_engine_sub_category=ej255-ej257-2-5l-engines-for-wrx-and-wrx-sti&_available=1