TRAILAIR KINGPIN BOX L05

Type: Air-Ride,Coupler Type: King Pin,Gross Weight Capacity: 21000 Pound,Length: 41.763 Inch,Width: 12 Inch,Bolt Pattern: 2 Row,Horizontal Mounting Bolt Spacing: 7-7/8 Inch,Vertical Mounting Bolt Spacing: 2 Inch,Color/ Finish: Black,With King Pin: Yes,With Turret: No,With Spacers: No Air Ride Pin Box Acts As A Buffer, Arresting The Transfer Of Road Impact Between The Tow Vehicle And The Coach,Produces Smooth, Stabilized Towing Performance,Scissors Action, Transfers Shock To The Air Bag,Improves The Overall Ride While Protecting The 5th Wheel Trailer,Improves Handling And Enhances Towing Performance,Limited 1 Year Warranty