Outfront Motorsports 600 Complete Cylinder Head Package for 15-21 WRX FA20DIT AW20 Merchandise These custom pistons are made

These custom pistons are made specifically for use with the S20 cylinder heads found on the 02-05 WRX and other EJ20 applications without cylinder head combustion chamber modification

Air Flow Meter

2004-2013 Forester XT

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Whether you want the ability to precisely align your cam gears

Outfront Motorsports 600 Complete Cylinder Head Package for 15-21 WRX FA20DIT AW20 Merchandise These custom pistons are madeThe Outfront Motorsports 600 Cylinder Heads are the perfect entry level replacement heads if you had a failure requiring you to completely replace heads or if you just want brand new heads outright. These heads are a great option for your basic bolt on engines up to 600 BHP. The Outfront 600 Heads start with new OEM Genuine Subaru head castings and camshaft carriers. A multi angle valve job is performed as well as a fresh resurface. The heads go