Frame And Steering Box Brace Kit for Jeep Cherokee XJ 1984-01. When upgrading to oversize tires the pressures exerted on your steering box increase dramatically, sometimes to the point of ripping the steering box off its mounts! This Rugged Ridge steering box brace kit will lock that steering box in place under even the most brutal wheeling conditions. The frame stiffener ties the front frame rails together while bracing the track bar mount. Includes mounting hardware.