Rear springs on the 2017 F250's. That's it, add spring or air bags, and a sway bar and you're GTG. But I don't like a SRW truck to weigh over 10,000 anyways. I prefer campers that weigh less than 2300#. (Half ton rated slide-ins, LOLz.) 3000+, I want a DRW.
The gas has the 10.5...