I had 3.73 gears, all fluids, pinion seal and both carrier bearings replaced. My bearings were worn. Great price! I believe Joe said it would have been a great price if only the gears. That price includes everything. That price to me is great when you consider their experience in changing them. I had someone quote me nearly the same price who was going to transfer the shims instead of reshimming it. Someone else might not of found the bad carrier bearings either but Monzie did. He saved them and showed them to me. What I thought was road noise (convertible) was those bearings.
On a side note the car pulls so much better now with 3.73's. Mustangs should have come with this setup.