This Zone lift not only includes front torsion bar keys and a 2 inch block & U-bolt kit, but it also includes front shock relocation brackets so your stock shocks can still be used. Zone Offroad torsion bar keys are made in the USA and are 100% resonant frequency tested to ensure a solid casting. Once tested the keys are CNC machined to ensure the proper amount of lift for your vehicle. These keys are designed lift the front of your truck 2 inches and a 2 inch rear block kit is included to match the front. 100% Made in the USA!