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The Cometic MLS cylinder head gasket for BMC 1275 A-Series (74mm bore) uses a .092 in nominal thickness to provide reliable sealing in higher-output engines without sealants. Multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated shim center accommodate thickness variation, resist corrosion and shearing between aluminum and iron, and help spread clamp load to limit bore distortion.
Cometic BMC 1275 A-Series .092in MLS Cylinder Head Gasket - 74mm Bore
