Boost Barn Stage 1 Shortblock 2.5L 2006-2014 WRX 2004-2019 STI 2005-2009 Legacy
Boost Barn Stage 1 Shortblock 2.5L 2006-2014 WRX 2004-2019 STI 2005-2009 Legacy
Boost Barn Stage 1 Shortblock 2.5L 2006-2014 WRX 2004-2019 STI 2005-2009 Legacy
Boost Barn Stage 1 Shortblock 2.5L 2006-2014 WRX 2004-2019 STI 2005-2009 Legacy

Boost Barn Stage 1 Shortblock 2.5L 2006-2014 WRX 2004-2019 STI 2005-2009 Legacy

SKU : S1BBSB1101
BoostBarnMotorsports
$3,199.00
$3,199.00
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Subaru OEMEj257 case

Mahle 4032 pistons

STI factory forged rods

King bearings

Factory 17+ Nitrited crankshaft.

New hardware and O-rings.