Easy to do, but if your truck will be street driven regularly that low you better be good at straightening the crossmember and A-arms. I went that route myself on my 66 Suburban. Every part and I even meen EVERY nut and bolt, got hand cleaned and painted, had the upper and lower A-arms replaced with tubular versions, disc changeover, later power steering, rack and pinion, the whole nine yards. Ultimately pitched all of it and cut the frame off at the firewall and built a whole new stepped 2x4x6" rectangular tube subframe, not easy (or cheap), but no worries of bent parts on a regular basis. Can't include photos because they are all in a crashed PC.