Also, is anyone out there still rebuilding these old units? The manual says the two pitman arm bushings must be installed and reamed at the same time for alignment. Don't know if that reamer would still be available, so unsure about doing the box myself. Also says a special bushing insert driver must be used to properly locate them. I could probably come up with something for that, but not the reamer unless it's a standard size that's still available. Doesn't specify a size.