I just installed an airbag suspension on my new '15 F350 dually and took it on the first camper trip. I will put at the end of this post the reasons for doing it to save the long narrative for those i...
Springs are now surplus, the 'bow' replaces the spring bolting in its place:
Bolted up with links mounted, passenger side. Nothing tight yet and airbag not installed:
Driver's side all bolted up, airbag in place and extension limiting strap. I opted for the heavier 'bows' and had to remove the rear overload spring perch (which unbolts). The front (riveted on) stays in place but I had to remove the rubber, everything is a very close fit: