Who is Bartomos?
It was years ago and that truck is long gone. I kind of used some scrap I had. If you zoom the pic you will see about a 1/8 thick angle on top of the frame. It has cutouts to clear the existing frame/crossmember rivets and may have a few bolts thru the top frame flange. Then I welded an outside of frame piece, to that angle at the top. That piece looks like 1/4. It had angles on each end, so I left them for strength. You can see I cut that 1/4 piece to clear the round part of box housing, which sticks out farther than the mounting pads of the box. I think the two piece welded bracket bolts to the frame using the box mount bolts straight thru and probably holds the inner stiffener/backer also. I may have done all that to eliminate welding on the frame. It's probably overkill, compared to the kit. I didn't have a kit to look at, at the time. I knew that there was a tendency for a cracked frame and that welding on a frame should be avoided if possible.
