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Cometic MLX cylinder head gasket for Chevrolet Gen‑1 Small Block V8, .040" thickness and 4.165" bore, is built to support modern high-output engines. Manufactured in the USA, MLX gaskets use an integrated stopper layer for combustion chamber sealing and are intended to handle elevated cylinder pressures, clamp loads, and temperatures. The design improves clamp load distribution and resists corrosion to maintain sealing integrity under demanding conditions.
Cometic GM SBC V8 4.165in Bore .040 Thick MLX Head Gasket
