yeah there's two or three that aren't uniformly polymerized, but given the rest of *waves hands broadly* this i wouldn't be terribly concerned. they're ball & cup on stock 273 adjustables, the chances of them being mismatched is small. very small.
I'm going to be honest here, I truly believe that it was never rebuilt, overhauled, what ever you want to call it. I would most likely tear it down and do a complete rebuild. What the op should do is to get his money back
