The Hendrickson EC TO CP RetroFit Kit is the perfect solution for upgrading your vehicle's suspension system. This kit is designed to optimize the suspension system, resulting in improved fuel efficiency and savings on operating costs. The kit also helps to reduce vibrations and harshness in the vehicle ride, improving overall vehicle performance and handling. The kit includes all the necessary components for a complete retrofit, including shocks, springs, and mounting hardware. FleetPride is your First Click in Heavy Duty®.