Description Cometic Multi-Layer Steel (MLX) head gaskets are comprised of multiple embossed layers of both proprietary high temperature coated and uncoated stainless steel, requiring less clamp load, creating less bore distortion, and conforms load distribution across the sealing area.  These are five layer gaskets with compressed thickness of .048″ and 96 mm. bore size. Sold in pairs (one LH and one RH).