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The Cometic MLS cylinder head gasket for GM LSX Gen‑4 small block V8 (.140 in MLS, 4.125‑inch bore, left‑hand side) features multiple embossed stainless steel layers and Viton‑coated outer faces. MLS construction provides robust sealing for high‑output engines without sealants and withstands the shear between different head and block materials. The uncoated shim layer can be varied to meet specific thickness and sealing requirements.
Cometic GM LSX Gen-4 Small Block V8 .140in MLS Cylinder Head Gasket - 4.125in Bore - LHS
