Cometic Dodge Cummins Diesel 6.7L 4.312 inch Bore .052 inch MLX HeadgasketCOMETIC MLX (Multi Layer Stopper) gaskets utilize an integrated stopper layer for combustion chamber sealing and improved clamp load around the cylinder without increasing bore distortion. MLX technology can be found in some head gaskets and are made from the same materials as our MLS Head Gaskets. No sealants or re torque required. This Part Fits: Year Make Model Submodel 2007 2010 Dodge Ram 2500 Laramie 2007 2010 Dodge Ram 2500 SLT 2007 2010 Dodge