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Cometic MLS cylinder head gasket for Chevrolet Gen‑1 Small Block V8, .042in thickness, 4.125in bore, 18/23° head with steam holes and round bore. The MLS construction combines multiple embossed stainless layers with coated outer faces to withstand harsh sealing environments. These gaskets seal without additional sealants, rebound under load, and help maintain correct clamp distribution to reduce bore distortion.
Cometic Chevy Gen1 Small Block V8 .042in MLS Cylinder Head Gasket - 4.125in Bore - 18/23 Degree Head
