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The Cometic MLS cylinder head gasket for GM LS Gen-3/4 small-block V8 is specified at 4.060 in bore with a .084 in nominal thickness and a compressed operating thickness of 0.036 in. Constructed from multiple embossed stainless steel layers with Viton-coated outer faces, the gasket is described for sealing aluminum-to-aluminum and aluminum-to-cast-iron arrangements without sealants and to resist corrosion and rebound under load.
Cometic GM LS1 SB 4.060 inch Bore .084 inch MLS Head Gasket
