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Increase the carrying capacity of your truck and improve its ride quality with Kelderman’s Rear Coil Replacement. This kit includes industrial quality air bags that enhances the rear suspension to deliver better towing capacity than stock. It gives an additional 3 inches of ride cushion and includes all parts and hardware needed to complete the upgrade. You can further enhance your truck by purchasing a wireless remote control system to inflate or deflate the air bags with just a push of a button.