Stick with your name brands - Tomken, Skyjacker, Rock Crawler. They will be a little more expensive but usually will include all the parts you need. When it comes to your suspension you dont wat to cheap out. You will pay for it in the log run with death wobble or something. 3" lifts on XJ's are easy. Over 3" and youre doing a lot more work and spending a lot more money. 3" with 30 to 31's is a pretty popular mod and still able to keep it a decen't daily driver. Look here: www.quatratec.com or www.justliftkits.com .