These Axiom Supply torsion keys are engineered to provide a safe and effective way to raise the front of select GM HD trucks by up to 2 inches. Precision forged and re-clocked for strength and adjustability, they offer a durable upgrade over factory keys while helping maintain proper suspension geometry when paired with the right supporting components. This kit is intended for drivers looking to level their truck and gain additional clearance without sacrificing ride quality. Features Precision-forged construction for exceptional strength and durability Re-clocked key index provides increased adjustment range Designed to deliver up to 2" of front suspension lift Helps maintain factory-like ride quality when paired with proper components Durable black powder-coated finish for corrosion resistance Axiom No-Nonsense Lifetime Warranty Includes (1) Pair of precision-forged torsion bar keys Compatibility Notes Fits Chevrolet Silverado 2500 HD and 3500 models from 2011-2019 Fits GMC Sierra 2500 HD and 3500 models from 2011-2019 Designed to provide up to 2" of front lift Intended for use with aftermarket upper control arms