Front Coil Springs Diesel 3 inch-3.5 inch Lift Linear Rate Carli SuspensionDesigned to address common issues seen with factory and aftermarket coil springs, the Carli 3. 25 inch Coils will provide you with the lift you want and the improvements you need. Features and Benefits: Experience a smoother ride with Carli's slightly reduced linear rate design, ensuring optimal comfort and stability on and off the road. Each coil spring is shot peened and pre set to ensure maximum strength and durability, even in the most demanding