"GEN-Y HITCH The BOSS TORSION-FLEX 3"" Weight-Distribution Shank 21K Hitch reduces trailer inertia transfers for a 90% smoother ride compared to a hard-connection hitch. An even distribution of weight on the tow vehicle and trailer increases braking control. Patented TORSION-FLEX technology reduces metal fatigue to the trailer and contents caused by traditional towing. Engineered with SOLIDWORKS software from heavy-duty steel and finished with a silver-vein powder coat, this built-to-last 21K hitch features heavy-duty rubber TORSION-FLEX cords and tongue-weight scale. The BOSS Weight Distribution Shank works with any weight distribution system, making it a great option for a wide variety of trailers. Choose between 7"" or 11"" drop/raise ranges. Meets SAE-J684 weight-testing requirements. Never exceed recommended capacity on any trailer tow coupling or vehicle receiver hitch. 500-mile average break-in period for hitch. Mfrs. 5-year warranty on rubber components; mfrs. limited lifetime warranty on rest of components. Tongue Weight: 2400 lbs. Max Towing Weight: 21,000 lbs. Note: 3"" receivers are only offered on select FORD vehicles manufactured after 2017. Please confirm receiver size before ordering.Manufacturer model #: GH-180. 90% smoother ride compared to hard-connection hitch Offers better driving control Reduces metal fatigue to the trailer and contents Silver-vein-powder finished, heavy-duty steel Heavy-duty rubber Torsion Flex cords Built-in suspension creates up to 90% smoother ride Shock absorption protects cargo from harsh bumps Most versatile on the market"