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Cometic MLX head gasket for BMW N55B30 series (85mm bore, .052 in compressed thickness) uses HP shim technology and an integrated stopper layer to increase clamp load and improve combustion chamber sealing on open-deck blocks. Multiple embossed outer layers coated with Viton provide a durable sealing surface and help maintain bore stability without additional sealants for high-output BMW N55 applications.
Cometic BMW N55B30A 85mm .052 inch MLX Head Gasket
