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Subaru OEM EJ257 Shortblock

Subaru OEM EJ257 Shortblock

On sale $2,025.00
Retail Price:$2,279.00
Your Savings:$254.00(11%)
Part Number:Subaru 10103AC030

This is a genuine Subaru EJ257 2.5 liter shortblock. This shortblock is standard equipment on the 2004+ US Market STI. The 2.5 liter block makes a great upgrade for all WRX models, since there is no replacement for displacement. The US STI block features a semi-closed deck for increased strength. This motor is physically a bolt-in for all US-market WRX and STi models (WRX's will require ECU tuning, bigger injectors, etc.).

  • THIS IS NOT A COMPLETE MOTOR: This is a fully assembled bottom end, which consists of a block, crank, rods and pistons only. You will need to reuse your stock cylinder heads or purchase replacements.

  • The OEM 2.0L WRX heads will bolt-on for to the 06/2006 & before 2.5L short block, but there will be a bump in compression.

  • For high-powered applications, we recommend replacing the cast OEM pistons in this block with Manley A/B Forged OEM-size units

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