Hey. I actually purchased this kit at the beggining of 2016 and I stalled it. I didn't install the differential drop that came with it as I thought that was way too much for a 2 inch lift. I only installed the torsion keys, upper control arms, shocks, shock relocates, and blocks in the rear. They have upgraded this kit from the way you have it. They have upgraded the shock relocators to where it doesn't dig in to your cv boots. I have had this kit on for close to a year now and have yet to have any problems. And I didn't even drop my dif. Yes it rides a little stiffer but you can expect that when you crank your torsion bars. But as the wear and tear part I haven't had any trouble at all so far. I was real hesitant of getting this kit due to this post. Buuuutttt I ended up buying it and I love it I didn't want anything drastic. Oh I only cranked my new torsion keys to 2 inches any farther and the differential drop is needed to prevent cv axle problems. I just thoughthink I'd throw that side note in. Thanks guys and I'm sorry that happened to you man.