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Cometic MLS cylinder head gasket for GM LS Gen-3/4 small block V8 with a 4.100-inch bore and .051-inch thickness uses multiple embossed stainless steel layers with Viton-coated outer layers for improved strength and corrosion resistance. The MLS construction and Viton coating are intended to provide reliable sealing across varying load conditions and surface finishes while withstanding elevated temperatures up to the coating's rated limit.
Cometic GM LS1 SB 4.100in Bore .051in MLS-5 Head Gasket
