The ReadyLift 66-3020 2 inch leveling kit for the GMC Sierra 2500HD / 3500HD features forged replacement torsion bar keys that will leveling the front end of your truck. Designed to reindex your torsion bars keys while keeping maintain a factory ride. Will allow clearance for up to 35 inch tires.  Also includes front shocks extension to allow use of factory shocks, differential drop spacers and factory skid plate spacers.

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