
The Cometic MLS head gasket for 1969–1971 Ford Boss 302 applications features multiple embossed stainless steel layers with Viton-coated outer faces and a compressed operating thickness of 0.040". MLS construction provides corrosion resistance, improved rebound and sealing without additional sealants, and the layered design helps resist the shear forces between differing materials such as aluminum heads and iron blocks. The gasket is built to meet demanding sealing environments and load conditions.
Cometic 69-71 Ford Mustang Ford Boss 302 4.200in Bore / .040in MLS Head Gasket