Your stockers are all that's needed. But I think you should do the bushings while your in there.
The bigger u-bolts you mentioned earlier. Are you talking about the saddle bolts that hold the ca's on to the cross member? If so, you can get new 9/16 style which is the bigger u-bolts, get them from the HELP parts section at your local parts store. They even come with nice top lock type nuts. Cheap also.
It took me a while to figure out the base coat clear coat.
Who makes high temp bc/cc engine paint? I've never looked into it.