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EngineJunction
2.5L FLAT-4
PerformanceRebuilt

Subaru · EJ family

Subaru EJ257 Rebuilt Closed-Deck Short Block

Part number SUB-EJ257-CD

Displacement
2.5L
Power
305 hp
Torque
290 lb-ft
$6,799

In stock · 5 in inventory

1
  • 12-month warranty covering parts and labour on the long block.
  • Crated and insured freight, quoted at checkout.
  • Dispatches in roughly 12 days.

About this engine

The classic EJ ringland failure, solved. This short block is sleeved to a closed deck, filled and honed with a torque plate, and assembled with forged JE pistons and Manley rods. Rated to 500 wheel horsepower with sane tuning.

What you get

  • Closed-deck sleeved block
  • Forged JE pistons, Manley rods
  • Torque-plate honed
  • Rated to 500 whp

Known fitment

  • Subaru WRX STI 2004-2021
  • Subaru Legacy GT swap
  • Subaru Forester XT

This list is not exhaustive. If your chassis is not here, ask — most swaps come down to mounts and sump clearance.

Will it fit your build?

Tell us the chassis and the transmission. We will tell you what clears, what needs mounts, and what to avoid.

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