Cometic Ford 2.7L Ecoboost Twin Turbo .036 inch MLS Head Gasket - RightCOMETIC 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 2021 Ford Bronco Badlands 2021 Ford Bronco Base 2021 Ford Bronco Big Bend 2021