Kryptonite KR10STAGE1 Stage 1 Leveling KitThe Kryptonite Stage 1 Leveling Kit KR10STAGE1 is an economic way to lift the front of your GM Silverado Sierra 2500HD 3500HD. A kryptonite leveling kit is an inexpensive way to bring the front of your GM pickup level with the back of the truck. These torsion keys are engineered to hold the flat hex surface of the torsion bar for a tighter, more robust fit. Kryptonite torsion keys are 25% stronger than the OEM units as they are forged, and are coated