The OEM Subaru EJ255 2.5L WRX and EJ257 2.5L STi headgasket is multi-layered steel. The OEM EJ25 gaskets have been shown to hold up under extensive boost pressures and high temperatures. Subaru 2.5L engines built on 06/2006 and before require a different part number then 2.5L engines built on 07/2006 and after. Please refer to your drivers side door jam to determine the build date of your vehicle. Price is for a pair.
NOTE: Subaru 2.5L engines have varying parts numbers depending on date of manufacture, please refer to your drivers side door jam for the build date.
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