I may be wrong, but it would be a bad idea to re-use the king pins if you use them in marginal bushings for anything other than moving the truck around your shop. If the pins get worn, they will do in the new bushings and you are back where you started. Find the new bushings now. If unavailable, bite the bullet and get a full new set and change them properly.
Hate to rain on your parade, but how much is the agravation worth later?
Current fleet (subject to change w/o notice) \'49 GMC 3/4-Ton , 60 Austin Healey Frog-eye Sprite (some assembly required), 2011 Dodge Avenger, 2015 Jeep Cherokee. No, they don't all run. My other ride is a (B737)no, (B767)no, A320.... Update... was Embraer E190, now Boeing B787. Knowledge is a wonderful thing, but ignorance means you don't know you can't do something.
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