Features & Details Perfect Fit: This air bag suspension kit is perfectly compatible with the following vehicles: 2001-2010 Chevrolet Silverado 2500HD/3500HD 4WD & RWD, 2001-2010 GMC Sierra 2500HD/3500HD 4WD & RWD. 5000 lbs Load Capacity: Rated loading capacity 5000 lbs/2267.96 kg. This air suspension kit provides strong support even with heavy loads. It reduces the pressure on vehicle's leaf springs, minimizes friction, softens contact between the axle and frame, and prevents bottoming out. Adjustable from 5 to 100 psi to suit different road conditions, loads and driving preferences. Leak-Proof Sealing: Our air ride suspension kit is designed with reliable air tightness, preventing gas leaks and vehicle instability. Features pre-assembled air nozzles tested for airtightness, NR natural rubber air bags for stable pressure, and a durable nylon air tube with Schrader valve to protect against dust and water. Smooth Ride & Shock Absorption: This air bag kit maximizes your vehicle's load capacity, stability, ride quality, and braking performance. Positioned between the axle and frame, it prevents contact and friction due to excessive load. It allows for height and suspension hardness adjustments by inflating or deflating the air bags, adapting to smooth or rough driving conditions. No-Drill Installation: The air suspension bags feature a bolt-on installation, requiring no drilling or modifications. You can easily install them by following the instructions provided. After installation, regularly check the air pressure, inspect for gas leaks, and ensure all connections are secure to maintain the suspension system's optimal operation and safety.