Rancho® is proud to offer a new 2-in. Suspension System for the Jeep Wrangler JK Unlimited . The 2-in. Rancho Suspension Progressive Sport Kit features our NEW RS5000™X shocks, front and rear variable rate coil springs to provide superior on-road comfort and off-road performance, rear brake line brackets, and front bump stops. This kit is precision engineered to be 100-percent compatible with the Jeep factory Electronic Stability System. The kit was designed with 33-in. tires and 17-in. wheels with 4.5-in. of backspacing, but also can accomidate 35-in. tire with minor ntrimming. Kit also allows the reuse of O.E. Wheels and tires. The Rancho brand offers a Limited Lifetime Warranty for this suspension system.