Our front shock extenders will work with all leveling torsion keys that are adjustable from 1"-3". These shock extentions can be installed in about 1/2 hour. All of our shock extenders are CNC machined out of high grade steel and then powdercoated black to match you factory suspension. They are far superior to imported extenders and will last much longer. This kit is the strongest on the market and come with a 100% satisfaction guarantee and a lifetime warranty. It will come to you complete with all the hardware and instructions. All MotoFab lifts products are proudly made in the USA with USA sourced materials!