ring and pinion

I live in the northwest indiana area and was wondering if anyone has info on reputable regear shops in the area, including northern indiana and the Chicago land area. Google searches don’t bring up much info.

4.10 Advantek Dana Spicer Gears front and rear with 28,000 miles on them for sale. Will ship. $250.

So as I was deciding which 5.13 pinion gears I was going to go with, Yukon or Dana, I was looking on Dana’s website and came upon the name AdvanTEK as an option for our Gladiators. From what I’ve found so far this was an improvement made by Dana on the Dana 44 axles (and others) where they...