This Subaru 2.5 W25 cylinder head is compatible with 2008-2014 Impreza WRX STI & 2015-2019 WRX STI
This is a left side only.
This head has dual AVCS (Active Valve Control System).
This cylinder head is a direct replacement for the original and is rebuilt to the same high standards as OE.
It is made from durable materials and is built to last.
30 day Warranty unless installed in a shop with an ASE certified technician. Get a 12-month/12,000-mile warranty on all parts installed by an ASE certified technician.
