I have an 07 JK Unlimited and just installed a 3 inch Fabtech lift. My lift basically lifted my coil springs. The nice thing about installation was that we didn't need to compress the coils. It is very important that if you do it yourself, ensure that your floor jacks are high enough to let your axel drop all the way down. This will allow for the coils to go on and off with ease. The three inch lift lets me run my 35 inch tires without problem.