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! Type: L05 Air-Ride Coupler Type: King Pin Gross Weight Capacity: 18000 Pound Length: 29-9/16 Inch Width: 12 Inch Bolt Pattern: 2 Row Horizontal Mounting Bolt Spacing: 7-3/4 Inch Vertical Mounting Bolt Spacing: 2 Inch Color/ Finish: Black Powder Coated Material: Steel With King Pin: Yes With King Turret: Yes With King Pin Locking Wedge: Yes With Turret: No With Spacers: No
