The 2.5-inch Radius Arm Leveling Suspension System features Rancho?s full radius arms with OE-matching rubber upper mounts and lower brackets at the axle to allow for caster adjustment. The system also comes with new front coil springs leveling the front of the truck with the rear. The Rancho brand offers a Limited Lifetime Warranty** for this Suspension System. 2.5-in. Suspension System that fits up to 35-in. tires (with minor trimming) Includes Rancho Radius Arms