Fifth Wheel Trailer Hitch Pin Box; Flex Air ™; King Pin Coupler; 18000 Pound Gross Weight Capacity; L05 Air Ride Pin Box; Fits Lippert 1621 Pin Box; Long Tow

Trailair Was First To The Market With Air Ride Technology For Fifth-Wheel RVs And Still Leads The Way With Innovative Fifth-Wheel Pin Box Technology. Our New Flex Air Pin Box Combines Our Time-Tested Trailair Air Ride Technology With Our Rota-Flex Pivoting Head To Significantly Reduce Fore To Aft Movement And Vertical Tug-Of-War Between A Fifth-Wheel RV And Tow Vehicle!Features & BenefitsOil Shock: As The Air Bag Absorbs Road Shock And Vibration, The Oil Shock Absorber Handles Rebound Action Dampening Kickback And Controlling ChuckingAir Ride Technology: Our Integrated Air Bag Acts As A Buffer Between The Tow Vehicle And Coach To Absorb Road Shock And Vibrations That Can Damage An RVRubberized Compound: The Durable Rubberized Compound Provides An Additional Buffer To Help Protect The Fifth-Wheel RV From Jarring MotionPivoting Head: The Heavy-Duty Pivoting Head In Its Lower Jaw Controls The Fore To Aft Movement Known As Chucking