Kryptonite KRKEY10 Leveling Key SetThe Kryptonite Leveling Key Set KRKEY10 will allow you to install taller tires on your GM Silverado Sierra 2500HD 3500HD. With this Kryptonite key set, you can raise the front of your truck to the same level as the rear. These torsion keys are designed to grip the flat hex area of the torsion bar for a tighter, more stable fit. Kryptonite torsion keys are forged, making them 25% stronger than stock pieces and resistant to corrosion. The front of the