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Cometic MLS head gasket for GM/Mercury 8.1L (496 ci) Right Hand side uses multiple embossed stainless steel layers with Viton-coated outer faces for high-temperature sealing. At .051" compressed thickness and 4.280" bore, it’s designed to provide reliable sealing in high-output engines without additional sealants. The layered MLS construction helps manage differential thermal and material movement between head and block surfaces.
Cometic GM/Mercury 8.1L 496ci 4.280in .051 inch MLS Head Gasket - RH
