Cometic Ford 6.8L Modular V10 .040in MLX Cylinder Head Gasket - 92.5mm Bore - 3-Valve - RHSCOMETIC 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 1997 1998 Ford E 350 Econoline Base 1997 1998 Ford E 350 Econoline XL 2003 2005