Mercury - Decal Set 7.6L V12 SeaPro Series Factory-Matched Adhesive Graphics 8M0178224. Overview. When you run a Mercury SeaPro V12, you get used to people stopping to stare. There's a certain pride that comes with owning one of the toughest commercial-grade outboards on the water. But even the strongest engines show their time in the sun - decals fade, edges lift, and the cowling starts to lose that crisp, unmistakable SeaPro look. With the Mercury 8M0178224 Decal Set, you bring all of that ori