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Cometic MLS cylinder head gasket for Chevrolet Gen-1 small block V8, 4.125" bore and .040" thickness, for 18/23 degree heads. The HP shim technology increases clamp load near the combustion chamber to boost sealability on open-deck blocks. Constructed from multiple embossed AMP-coated and uncoated stainless steel layers with Viton-coated outer faces, the gasket resists corrosion, rebounds under load, and provides dependable sealing without sealants.
Cometic Chevy Gen-1 Small Block V8 .040in MLS Cylinder Head Gasket - 4.125in Bores
