Product Details: The Hendrickson Trailer Air Spring is designed to provide increased payload capacity and more efficient transportation for your trailer. This air spring system is designed to provide better braking performance and increased control during emergency maneuvers. The air springs require less maintenance than steel springs and are more durable, making them a great choice for long-term use. The air springs are designed to provide a smoother ride and reduce the amount of vibration and shock felt by the trailer and its cargo. The air springs also help to reduce the amount of wear and tear on the trailer's suspension system, allowing for a longer lifespan. FleetPride is your First Click in Heavy Duty®.