PREOWNED - Cosworth Longblock, EJ257B

  • $7,000.00
  • Save $9,343


Original Cosworth Long Block Part No. 20010272

This is a genuine Cosworth Longblock that was when Cosworth USA was present and offering fully assembled Subaru longblocks. This particular one has about 4500 miles of use on it prior to removal from the vehicle.

Here are the specifications as remembered:
- Cosworth Shortblock Assembly with Lightweight Standard Stroke Billet Crank, using Cosworth Forged Pistons and Rods, 8.2:1 Compression Ratio
- Cosworth Main and Rod Bearings used in shortblock
- Cosworth CNC ported Big valve Cylinder Heads w/Dual AVCS
- Cosworth S2D Grind Camshafts for STI EJ257B, Intake 278deg/Exhaust 274deg
- Cosworth +1 Valves for Intake(stainless steel) and Exhaust(inconel)
- Cosworth Ultra High RPM Dual Valve Spring with Titanium Retainers
- Cosworth H11 Head Stud Kit
- Cosworth Multi-layer Performance Head Gaskets
- Cosworth High Volume/Pressure Oil Pump

Original Price: $16,343
Clearance Price: $7,000 

Fitment: 2008-2021 STI

NOTE: Sold as-is. No refunds, returns or exchanges. Customer assumes all responsibility for use of this product as it is meant for off-road/racing use only.

Local pickup available. Please contact us to schedule pick up time for the long block assembly.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. For more information, visit

We Also Recommend