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The Cometic MLS cylinder head gasket for BMC 1275 A-Series (74mm bore) uses a .066 in nominal thickness to provide reliable sealing for high-output engines without sealants. Multiple embossed stainless steel layers are coated with Viton on the outer faces while the center shim is uncoated stainless, enabling the gasket to resist shearing between different materials, rebound against corrosion, and reduce clamp load-induced bore distortion.
Cometic BMC 1275 A-Series .066in MLS Cylinder Head Gasket - 74mm Bore
