Shop with Blessed Performance for the Cognito Economy Leveling Kit for your 2001-2010 GM Silverado/Sierra 2500HD/3500HD 2WD/4WD. This kit gives you a set of torsion bar keys, and shock extenders so you can use OE or OE length shocks.
Highlights:
- Torsion Bar Keys
- Shock Extenders (For OE & OE Length Shocks)