This set of leveling lift kit immediately offers increased ground clearance without the hassle of a long and drawn out installation process. The vehicle can retain the use of the stock shocks. Rear lift kit will put a slight rake back in your vehicle for hauling or towing or lifting. Featuring 100% bolt-on installation and a unique design that allows fitment without problems. The kit will not affect your factory OEM ride quality or comfort level.The upper control arms (UCA’s) are stronger than the stock arms and are 100% bolt-on. The UCA’s are a direct fit and will work on trucks that are have leveling kits, or lift kits. Again, This is for those trucks with Factory Steel Upper Control Arms. It is a must have to add strenth and performance to your truck while on or off road. Weak OEM ball joints present problems by limiting suspension travel potential, especially when using 2” or more lift on your truck. The UCA is allowing for smooth and clean wheel travel without worrying about factory ball joint bind; also correct alignment geometry on lifted applications.