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Cometic MLS cylinder head gasket for Pontiac 400/428/455 V8 applications, specified at a nominal .080 in thickness for a 4.200 in bore with a compressed operating thickness of 0.080 in. Constructed from multiple embossed stainless steel layers with Viton coating on the outer faces and an uncoated stainless shim, it seals aluminum or cast‑iron block and head combinations without sealants while improving load distribution and reducing bore distortion.
Cometic Pontiac 400/428/455 V8 .080in MLS Cylinder Head Gasket - 4.200in Bore
