I’m a long way from the boat and don’t have a picture of that (you are actually closer to the boat than I am) but I just made an aluminum backing plate for the underside 3/16 thick with holes for all the mounts (I think mine had 3 3/8 bolts). I have a fairly large access hole cut in the inside liner all the way forward so it was a little tight but not too bad (including the new Nav lights).