Wide Compatibility: This leveling lift kit fits Chevy Silverado/GMC Sierra (2001-2007 1500HD 8-Lug, 1999-2010 2500/2500HD 8-Lug, 2001-2010 3500/3500HD 8-Lug), 2001-2013 Suburban 2500 8-Lug, 2002-2006 Avalanche, 2000-2013 Yukon XL 2500 8-Lug 3-Inch Front Lift: Our chassis leveling lift kit includes two torsion bar keys and two shock extension brackets to raise the front chassis. 4-wheel alignment is recommended after setup for optimal performance Easy Installation: The level kit is CNC-machined for high precision and accuracy. It matches OEM hex hole sizes, with large, clearly marked holes on the torsion bar keys—making bolt alignment and installation fast and hassle-free Heavy-Duty Build: This leveling kit is crafted from thickened alloy steel with heat treatment for increased hardness and a black powder coating for wear resistance and durability. It delivers safe, stable performance even in extreme conditions Off-Road Upgrade: Ideal for off-roaders, our chassis level kit meets their needs for both style and performance upgrades. It boosts ground clearance, absorbs bumps, and enhances handling over rugged terrain while improving driving comfort