I just called Dirty South Kustoms and they don't handle that type of work and the female who answered was not very professional. When I asked if she recommended any one she said NO, like I was asking here for government secrets. It kills me that the local shops (Tuff trucking, speed shop, automotive necessitys, etc.) that handle lift kits and such don't handle alignments or re-gearing. I guess all these jacked up trucks they lift are running around on stock gears and 40's and no alignment. I did find three local shops that would handle axle builds but all said it would be around $1500 just for a rebuild and to re-gear would be extra, and it is a three week wait, no appointments. You have to drop your truck off for it to get in line. Four wheel parts in Atlanta gave me an estimated cost of $2100 for both axles to be rebuilt and re-geared to 4.10, and they do take appointments. Est the job to take one day. Wish I lived closer to ATL.