The TeraFlex TJ high steer system is designed to be used with 4+" of lift, and will beef up the essential steering components of your Dana 30 front axle. This kit also helps to maximize steering component ground clearance and assist in easy correction of steering geometry. Note: The high steer system is not an all inclusive kit. Additional modifications will be required that are not included in the TeraFlex high steer system. These modifications may include front swaybar links, front trackbar mounting, and offset wheels. Will work with 15? wheel with 3.5? or less backspacing. This kit will fit all TJ wrangler models including Rubicon and Unlimited and is for use with 4+" of lift.