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The Cometic MLS head gasket for Nissan RB25DE/RB25DET has a compressed operating thickness of 0.051 in and an 86mm bore. Built from multiple embossed stainless-steel layers with Viton-coated outer faces, the MLS design is intended to seal demanding, high-output engines without sealants and to handle mixed head/block material pairings while resisting corrosion and maintaining load distribution across the sealing area.
Cometic Nissan RB-25 6 CYL 86mm .051 inch MLS Head Gasket
