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This Cometic MLX cylinder head gasket for GM LSX Gen-4 small block V8 engines uses HP shim technology to increase clamp load around the combustion chamber and improve sealability on open-deck blocks. The multi-layer MLX design includes an integrated stopper layer for combustion sealing and embossed outer layers coated with Viton for enhanced sealing performance without increasing bore distortion, supporting reliable head sealing under higher clamp loads.
Cometic GM LSX Gen-4 Small Block V8 .054in MLX 4.165in Bore Cylinder Head Gasket
