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. Zone Offroad shock extensions are highly recommended.
For more info head to https://zoneoffroad.com/products/2-in-leveling-kit-2001-2010-chevygmc-2500-3500-4wd
