IAG Cooper Ring Head Gasket for Subaru EJ25 / EJ257 100mm .051" for 1/2" and 11mm Head Studs (1). 2009-subaru-impreza-wrx 2004-08 Forester XT

2004-08 Forester XT

Dimension: 9

A complete hardware set is included along with spacers that allow installation on vehicles that require additional clearance due to aftermarket headers

the OEM guides are pressed out and replaced in favor of Ferrea Copper Bronze valve guides that are shaped to improve airflow

IAG Cooper Ring Head Gasket for Subaru EJ25 / EJ257 100mm .051" for 1/2" and 11mm Head Studs (1). 2009-subaru-impreza-wrx 2004-08 Forester XTThe IAG Performance Cooper ring head gasket is manufactured from an asbestos free composite raw material and features silicone based beading applied to critical areas to improve sealing around all water and oil passages. What sets this gasket apart from others is the separate stainless steel rings surrounding the bore holes. The rings assure maximum sealing for a turbocharged engine and the block and head do not require any special machining. The IAG