Maxpeedingrods Rear Tow Assist Air Spring Suspension Kit for GMC Sierra 2500 2001-2010

Keep proper ride height Replace your factory jounce bumper Reduce bouncing at the rear of vehicle when towing Stop vehicle’s main springs from sagging (due to constant load compression) When towing / hauling heavy loads,air springs raise safety /comfort working with your suspension Two adjustable secondary air helper springs can add up to 5,000 pounds of leveling capacity per axle for vehicles with leaf springs