The OEM Subaru head gasket is multi-layered steel. The OEM EJ20 gaskets have been shown to hold up under extensive boost pressures and high temperatures. Price and availability shown is for a pair, contact us to order a single head gasket.
02-07 WRX/STI stock head gaskets are .6mm (.023 in) thick.
Please refer to your drivers side door jam to determine the build date of your vehicle.
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