Cometic Honda D15B1/D15B2/D15B7/D15B8/D16A6 .040in MLX Cylinder Head Gasket - 79mm BoreCOMETIC 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 1990 1991 Honda Civic EX 1988 1991 Honda Civic RT 4WD 1989 1991 Honda Civic Si