85205 - KING PIN WELDED ON 22" PIPE - 4" O.D.

This king pin and pipe assembly is designed for those wanting to tow
a gooseneck trailer with a 5th wheel hitch. The king pin is specially
designed with zero bolster. The 4" O.D. round tube will fit as an inner
pipe on most standard gooseneck outer tubes. Always follow
manufacturer's torque specs when tightening set screws.