Just had my king pins on my 52' pressed out. It took 20 tons of pressure on a forty ton press! The bushings were even tougher.
I'm thinking about going to a stainless pin with needle bearings in lieu of the bushings. Classic Trucks at classictrucksweb.com has a Royal King pin kit with such. Patrick's has something simular for around $160.
Anyone tried/used one of these updated assembly?
-jeff