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Cometic’s MLS head gasket for the BMW S65B40 (93mm bore) is a .040" multi-layer steel gasket engineered for high-output engines. It uses multiple embossed stainless steel layers with Viton-coated outer faces and an uncoated center shim layer, providing rebound, corrosion resistance and reliable sealing without sealants. The MLS construction suits aluminum-to-aluminum or aluminum-to-iron head/block combinations.
Cometic BMW 4.0L 07-08 93mm Bore .040 inch MLS Head Gasket
