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The Cometic MLS cylinder head gasket for GM LSX Gen‑4 small block V8 (4.125‑inch bore, left‑hand side) features multiple embossed stainless steel layers with Viton‑coated outer faces. MLS construction provides high sealing strength for modern high‑output engines without sealants and resists corrosion and shearing between dissimilar metals. An uncoated center shim layer accommodates thickness needs across sealing surfaces.
Cometic GM LSX Gen-4 Small Block V8 .089in MLS Cylinder Head Gasket - 4.125in Bore - LHS
