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Cometic MLX four-layer head gasket for GM LSX Gen-4 Small Block V8 is a .040" compressed-thickness gasket with an integrated stopper layer for improved combustion sealing and increased clamp load control. The MLX construction mirrors MLS materials while adding a stopper to enhance sealing around the combustion chamber without increasing bore distortion. It requires no sealants or re-torque under normal service.
Cometic GM LSX RHS 4.15in Bore .040 inch MLX 4 Layer Head Gasket
