Howdy Gary.
Yes there's an 6 1\2 inch up right on each end, doubled 1 inch square tube, welded to an inverted 1 1\2 x 1\8 x 22 inch long piece of angle iron that is welded to the pinch welded seam of the door channel and floor pan. under the door channel is a 3/4 x 1\8 inch 22 inch long angle iron with two 1 x 1\8 square tubing kicker back brace welded to the double uprights.
I could have bolted them into place but decided to weld them in place so they won't rattle loose on any of our rough ranch dirt roads. If I ever do need to remove these I can always use a smoke wrench.....lol
I'll go out and see if I can get a underside picture for you before it gets too dark out side.
New Project Rough 1986 F150 4x4 Extra Cab
It's so ugly,,,,, I might have to name it "Moco".