IAG 93.5mm Fire-Lock 2.0L Subaru Head Gaskets for 14mm Head Studs (Pair w/ Fire-Lock Rings) - Subaru WRX 2002-2005 GMC-Sierra-1500-2008 Only manual transmission vehicles are

Only manual transmission vehicles are supported at this time

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Highly durable aluminum construction

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IAG 93.5mm Fire-Lock 2.0L Subaru Head Gaskets for 14mm Head Studs (Pair w/ Fire-Lock Rings) - Subaru WRX 2002-2005 GMC-Sierra-1500-2008 Only manual transmission vehicles areThe IAG Performance Fire Lock head gasket solution was created after years of research and development testing to prevent head gasket failure on high horsepower and high boost Subaru EJ Series engines. This solution is loosely derived from diesel technology where a counterbore step is machined around each cylinder bore allowing specially sized fire rings to drop into the machined area and head gasket bores. The shims are designed to create a