The Carli 13-23 RAM 3500 4X4 Full Progressive Leaf Spring - 1"-2" Lift - L46 is engineered to provide superior load-carrying capacity and improved ride quality for your truck. This progressive leaf spring setup is designed to offer a smooth and comfortable ride while maintaining the necessary support for heavy loads. With a lift range of 1 to 2 inches, this leaf spring kit not only enhances the truck's aesthetics but also improves ground clearance and off-road capability. The full progressive design ensures that the truck can handle various driving conditions, from daily commutes to off-road adventures.