At Pacbrake, we know that towing and hauling is tough on your truck. That's why we designed our HP10002-X Alpha HD 7500 Air Spring Suspension Kit specifically for the Ram 2500/3500 4WD 2003-2013. This suspension kit reduces your vehicle's sag, has 20 internal support wires for increased stability, and can level a load of up to 7500 lbs. Plus, our Lifetime Warranty means you can tow and haul with peace of mind, knowing that your truck is backed by Pacbrake's quality and durability.