The LESJOFORS 4427532 Rear Coil Spring Set is engineered to provide superior support and stability for the 1997-2002 Ford Expedition. Designed to meet or exceed original equipment specifications, this set ensures optimal ride height and handling balance, even under heavy loads. Constructed from high-strength steel, each coil spring undergoes a meticulous heat treatment and shot-peening process to enhance durability and fatigue resistance. A multi-layer coating, including zinc phosphate and epoxy powder coating, offers exceptional corrosion protection, extending the lifespan of the springs and reducing maintenance costs. The pre-setting process ensures optimal performance and eliminates settling, maintaining consistent ride height and handling characteristics. By choosing the LESJOFORS 4427532 Rear Coil Spring Set, fleet operators can enhance vehicle stability, improve driver comfort, and reduce downtime associated with suspension issues. This investment in quality components contributes to the overall efficiency and reliability of the fleet.