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The HKS 1mm stopper head gasket is specified for 2003–2006 Mitsubishi Evo 8/9 with an 86mm bore and 8.6 compression ratio. Built to the OEM-replacement form, this head gasket serves as a direct-fit sealing solution in engines using those bore and compression specifications. It’s intended for properly sealing the combustion chamber during engine assembly or gasket replacement on compatible Evo 8/9 engines.
HKS 03-06 EVO 8/9 1mm Stopper head gasket (86mm bore 8.6 cr)
