Cometic MLS head gasket for GM Gen‑V/VI Big Block V8 with a 4.630‑inch bore and 0.092" compressed operating thickness. Its layered stainless construction uses embossed outer faces coated with Viton to meet demanding sealing environments and high temperatures. The uncoated stainless shim center provides variable thickness and rebound, while the MLS design delivers reliable sealing without sealants and helps reduce clamp‑induced bore distortion.
Cometic GM Gen-V/VI Big Block V8 .092in MLS Cylinder Head Gasket - 4.630in Bore