The ReadyLIFT Jeep HEAVY DUTY Track Bar Kit is most popular innovation for the Jeep aftermarket crowd. It will work on your stock Jeep or one that features our 3" or 4" kit. If you are looking to improve the driving experience of your Jeep JK Wrangler both on and off road, then this HEAVY DUTY adjustable front track bar is exactly what you need. Make adjustments on the fly when needed for rock crawling.