Mercury - Pro XS Cowling Decal Set OEM Engine Graphics Marine-Grade Vinyl Finish 8M0214861. Overview. A Pro XS outboard has a presence all its own. It's the kind of engine you notice before you hear it, and the graphics play a big part in that first impression. This genuine Mercury cowling decal set brings your four point six liter V8 Pro XS back to its factory look, restoring the clean lines and bold details that define the engine. Whether you're freshening up a sun-faded cowling or finishing a