Insist on Pacbrake quality, durability and value. Have you ever noticed a difference in ride control when driving empty vs. driving fully loaded? Your truck's factory suspension was designed as a compromise between capability and comfort. When hauling heavy loads, the rear springs can be pushed to the limit-resulting in excessive bounce, sagging ride height, and an overall feeling of instability. With the simple addition of an Pacbrake Air Suspension Kits you can distribute weight evenly to your tires, supporting any load without overtaxing your existing system. Each Pacbrake kit is equipped with Corrosion resistant roll plates. Precision laser cut powder coated steel brackets. Grade 5 plated hardware. All accessories required for the perfect bolt on install. Pacbrake Air Bags by Pacbrake come with a Lifetime Warranty. Please refer to the warranty document for more details. With Pacbrake you can level your truck's stance and eliminate your vehicle's sag, sway and bottoming out while providing added support for an overall smooth and safe ride. Details: Application Chevrolet Silverado / GMC Sierra 2500 HD / 3500 HD trucks 2001-2010. Pacbrake Series. Location Rear. Hardware Included Yes.