Filthy Addictions Offroad - Jeep Cherokee XJ - Steering Box Reinforcement Kit - Box Stiffener and Support Brace (1 unit = 3 pieces) 3/16 mild steel plate; 3/4 x .120 wall steel tubing (not light guage crimped steel tubing like all other competitors); all steel plates professionally cut with a CNC water jet extra heavy duty guillotine clamp; bolt on solution AND/OR weldable (parts come ready to weld) compatible with stock sway bar; works with stock hardware helps tie in aftermarket bumpers to spread load thruought the unibody (a must when adding a winch or tow points); Steering box brace can be purchased seperately from the whole kit