This is the lower king pin cap. It is the plate with the lower king pin that goes up though the lower bearing. It is retained with four 1/2" bolts. 

• Sold individually, one required per side.
• Not included in the King Pin Rebuild kit.

Note: International and Non-Continental United States orders - Additional shipping charges will apply.  Please contact us for shipping quote for all orders outside of the Continental 48 states.