CURT 17050 MV Round Bar Weight Distribution Hitch, Up to 6,000 lbs., 2 Inch Shank puck Something that sets the Q24 reduce Something that sets the Q24 5th wheel hitch apart from competitive models is its spherical axial bearing that allow the hitch head to pivot in virtually any direction This E16 hitch with puck system roller is only intended to fit select Chevrolet or GMC trucks with a year specific puck system and cannot be installed without it continuous lubrication at the spring bar mounting location The built in sway control attachment tabs on the head allow it to readily accept one or two sway control units #17200