Flex Air drastically reduces chucking, absorbs road shock, and minimizes bounce. The internal air bag and built-in strut work with the rubberized pivoting head to achieve a dramatically smoother ride. Replaces Lippert 1621 pin boxes.

Make tight 90-degree turns with your short-bed pickup while towing your fifth-wheel trailer using this extended pin box. The pivoting action lets your trailer turn and clear the cab so you don't have to exit your truck to adjust when turning.

5th Airborne Sidewinder replaces your fifth-wheel trailer's king pin and alters the pivot point of your rig, enabling you to make up to 90-degree turns. Enclosed air spring in pin box absorbs shock and adjusts for a smooth ride.

Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you won't feel it. Replaces Lippert 1621 pin boxes.

Flex Air drastically reduces chucking, absorbs road shock, and minimizes bounce. The internal air bag and built-in strut work with the rubberized pivoting head to achieve a dramatically smoother ride. Replaces Lippert 1621 pin boxes.

Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you won't feel it. Replaces Lippert 1116 pin boxes.

Flex Air drastically reduces chucking, absorbs road shock, and minimizes bounce. The internal air bag and built-in strut work with the rubberized pivoting head to achieve a dramatically smoother ride. Replaces Lippert Rhino pin boxes.

Make tight 90-degree turns with your short-bed pickup while towing your fifth-wheel trailer using this extended pin box. The pivoting action lets your trailer turn and clear the cab so you don't have to exit your truck to adjust when turning.

This Rota-Flex pin box has a pivoting head with a built-in rubber compound that works to reduce chucking and absorb road shock, resulting in a smoother ride and less wear and tear on your trailer. Replaces Lippert 1621 or 1621HD pin boxes.

The 5th Airborne premium fifth wheel air-ride extended pin box coupler acts as a buffer between the tow vehicle and the trailer, minimizing the abuse sustained from turbulence on the road and giving you the smoothest ride possible by reducing shock.

5th Airborne Sidewinder replaces your fifth-wheel trailer's king pin and alters the pivot point of your rig, enabling you to make up to 90-degree turns. Enclosed air spring in pin box absorbs shock and adjusts for a smooth ride.

5th Airborne sidewinder replaces your 5th-wheel trailer's king pin and alters the pivot point of your rig, enabling you to make up to 90-degree turns. Enclosed air spring in pin box absorbs shock and adjusts for a smooth ride.

Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you won't feel it. Replaces Lippert 1716 pin boxes.

The 5th Airborne premium fifth wheel air-ride coupler acts as a buffer between the tow vehicle and the trailer, minimizing the abuse sustained from turbulence on the road and giving you the smoothest rid possible by reducing shock.

Upgrade the factory pin box on your fifth-wheel trailer to this cushioned model that dampens road shock and reduces back-and-forth chucking for a more relaxed towing experience. Unlike air bags, the internal rubber spring requires no maintenance.

Upgrade the factory pin box on your fifth-wheel trailer to this cushioned model that dampens road shock and reduces back-and-forth chucking for a more relaxed towing experience. Unlike air bags, the internal rubber spring requires no maintenance.

Built for trailers with a GVWR up to 11,500 lbs, this rotating pin box gives you the clearance to make tight turns without the use of a slider hitch. Enjoy a chuck-free, jerk-free ride thanks to the rubber shear spring inside.

This Rota-Flex pin box has a pivoting head with a built-in rubber compound that works to reduce chucking and absorb road shock, resulting in a smoother ride and less wear and tear on your trailer. Replaces Lippert 1621 pin boxes.

This pin box serves as a direct replacement for the worn-out Lippert 1621HD pin box on your fifth-wheel trailer or RV. Rust-resistant, powder coated steel construction. Easily bolts onto trailer with existing hardware.

This pin box serves as a direct replacement for the worn-out Lippert 1621 pin box on your fifth-wheel trailer or RV. Rust-resistant, powder coated steel construction. Easily bolts onto trailer with existing hardware.

Experience smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with an air-ride-equipped model. The scissoring action of the coupler allows the interior air bag to absorb road shock so that you won't feel it.

Upgrade the factory pin box on your fifth-wheel trailer to this cushioned model that dampens road shock and reduces back-and-forth chucking for a more relaxed towing experience. Unlike air bags, the internal rubber spring requires no maintenance.

Extended pin box provides a direct replacement for the Lippert 1716 pin box on your fifth-wheel trailer or RV. Easily bolts onto trailer with existing hardware. Rust-resistant, powder coated steel construction.

This pin box serves as a direct replacement for the worn-out Lippert 1716 pin box on your fifth-wheel trailer or RV. Rust-resistant, powder coated steel construction. Easily bolts onto trailer with existing hardware.