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Cometic MLS cylinder head gasket for Pontiac 400/428/455 V8 applications, offered with a .075 in nominal thickness and a compressed operating thickness of 0.098 in for a 4.200 in bore. Multiple embossed stainless steel layers deliver rebound and corrosion resistance, with Viton‑coated outer faces and an uncoated shim layer for thickness control. MLS construction seals aluminum-to-aluminum or aluminum-to-iron combinations without sealants while reducing clamp load and bore distortion.
Cometic Pontiac 400/428/455 V8 .075in MLS Cylinder Head Gasket - 4.200in Bore
