Product Details: The Hendrickson Haulmaxx Progressive Load Spring Kit - Tandem Set is the perfect solution for commercial vehicle owners who want to improve the performance and handling of their vehicles. This kit is designed to fit a specific vehicle model and weight capacity, ensuring optimal performance and safety. Made from high-quality materials that are resistant to wear and corrosion, this kit includes all necessary components for a complete installation. The progressive load spring design provides a smoother ride and better handling, while also reducing the risk of damage to the vehicle's suspension system. With this, you can enjoy improved performance and handling, increased safety, and a more comfortable ride. FleetPride is your First Click in Heavy Duty®.