There are several different types of lift kits. The best design by far is the A-Arm or Drop-Axle lift kits because you are replacing the entire front suspension with the exception of some linkage. Spindle lifts offer a quality lift for less money but are not recommended for off-road use. All of our lift kits are made in the United States by a quality company and come with easy step by step instructions. If you have any questions please call our toll free number for help with all your needs...866-615-8538.