CURT 17331 Short Trunnion Bar Weight Distribution Hitch, Up to 8,000 lbs., 2 Inch Shank mens t shirt example Mounts to a trunnion bar harness Mounts to a trunnion bar WD hitch head to help level the trailer and tow vehicle Fits CURT trunnion bar weight distribution hitches #17333 and #17422 Pre assembled with spring bar chain for ready attachment Multiple chain links allow for flexible adjustment of tension Constructed from forged steel for optimum strength Protected by a highly durable carbide powder coat finish This particular kit fits certain years of the Lexus RX350 (see application info to verify vehicle compatibility) While a weight distribution hitch will increase the gross trailer weight capacity of most trailer hitches This trunnion bar weight distribution hitch features a heavy duty formed head and square spring bars constructed from forged steel