Cometic Ford 6.0L/6.4L Power Stroke .040in MLS Exhaust Manifold Gasket SetCOMETIC MLS (Multi Layer Steel) Exhaust Gaskets are designed for extreme cylinder pressures. MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion. They will not burn through or push out. MLS Exhaust Manifold Gaskets withstand different combinations of cylinder head and exhaust manifold materials. No sealants are required. This Part Fits: Year Make Model Submodel 2015 2019 Dodge Challenger SRT Hellcat 2015 2019 Dodge Charger SRT