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Cometic MLS cylinder head gasket for Chevrolet Gen-1 small block V8, 4.040" bore and .040" thickness, for 18/23 degree heads. Made from three to five stainless steel layers with embossed outer faces coated in Viton rubber, the gasket withstands harsh sealing environments and temperatures up to 250°C (482°F). The uncoated center shim permits thickness variation while the MLS construction rebounds and resists corrosion to maintain reliable sealing without sealants.
Cometic Chevy Gen-1 Small Block V8 .040in MLS Cylinder Head Gasket - 4.040in Bores
