king pin 1. KING PIN is interchangeable with JOST type. 2.The kingpin fixed bolt being high strength anti-loose bolt 2" king pin 2" bolt-in king pin assy. Skid plate thickness is 8mm, 10mm, 12mm, 16mm.2" king pin2" bolt-in king pin assy.1) used for trailer parts2) Manufactured from high tensile drop forgings and heat-treated.3) Skid plate thickness is 8mm, 10mm, 12mm, 16mm. The king pin fixed ...