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Cometic MLS cylinder head gasket for Pontiac 400/428/455 V8 engines, specified at a nominal .089 in thickness for a 4.200 in bore. Multiple embossed stainless steel layers with Viton coating on both outer faces and an uncoated center shim provide sealing strength and corrosion resistance. MLS construction is suitable for aluminum-to-aluminum or aluminum-to-cast-iron combinations, sealing without sealants while helping to minimize bore distortion.
Cometic Pontiac 400/428/455 V8 .089in MLS Cylinder Head Gasket - 4.200in Bore
