Cometic Chrysler HEMI 5.7L 4.000in Bore .040in MLX Head Gasket - LeftCOMETIC 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 2005 2019 Chrysler 300 C 2012 2014 Chrysler 300 C Luxury 2015 2017 Chrysler 300