Kryptonite KR20STAGE2 Stage 2 Leveling KitThe Kryptonite Stage 2 Leveling Kit KR20STAGE2 will raise the front of your GM Silverado Sierra 2500HD 3500HD so you can install larger tires. With this Kryptonite leveling kit, your GM truck's front will be 2"" closer to the rear ride height of the vehicle. The torsion keys are designed to grip the ""FLAT"" of the torsion bar for a more snug fit. Kryptonite torsion keys are 25% stronger than original since they are forged and primed to last the