My 85 +8 has had it`s king pins and bronze bushes replaced at 33k miles, though bought stainless king pins and stuck with bronze for the replacements, the king pins did not seem badly worn showing signs of corrosion at the location of the rebound spring, and scuffing in the area of the top bush... the bushes were worn and took a fair bit of effort to remove them in a 20 ton press. Think I have a pic of the old king pin if anyone is interested.
