Sears is OK, they have given me a printout of the measurements everytime. Plus they are nation wide, so if you are on a trip and drop into a deep pothole and the rig starts pulling to one side, go to the nearest Sears!
Even in NE Montana, where (with binoculars) you can watch your dog run away for 3 days. There is a Sears in Williston ND.
That is my biggest fear, to be thousands of miles from the shop that gaurantees their work and have that work go bad.