Features and Benefits: 1. These air suspension bags help to stabilize truck and keep the truck level when you are hauling or towing, and reduce bounce and stops form bottoming out. 2. Air Spring Bags reduce the frequency of vibration while driving, and prevents the damage of the other parts from the heavy loading vehicles. 3. These air springs will absorbs road shock and adjusts to varying load condition for ideal ride comfort, and to provide you a smooth and safe travel. Description: Condition: 100% Brand New Warranty: 1 Year Warranty for any manufacturing defect. OEM Product: Easy to install Test more than 3,000,000 times: Durable and Safe .