This system offers a mild lift height with easy installation for clearance of 33? tall tires on K1500?s w/ factory Magnetic Ride Control suspension. Lift is accomplished by utilizing the factory front Coilover shocks with steel spacer system that helps retain the stock ride of the front suspension. The stock upper control arms are replaced with thick wall DOM tubular arms that feature heavy duty extended range ball joints. These ball joints provide additional strength to the vehicles suspension compared to the factory. The front differential is relocated to keep CV angles proper with the new lift height while a 1/4? thick steel skid plate provides protection against offroad obstacles. Rear lift is accomplished with 1 1/2"" rear lift block and u-bolts to help level the stance of the vehicles. Use 33/12.50R17 tire w/ 17x8 wheels w/ 4 1/2? BS w/ minor trimming. Use 275/65R18 tire w/ 18x8 wheels w/ 4 1/2? BS w/ minor trimming. Use 295/55R20 tire w/ 20x9 wheels w/ 5? BS w/ minor trimming. Will not fit all wheel drive models. Cannot use OEM wheel and tire. Does not fit standard cab. This product ships in approximately 1 days