Level out your Chevrolet Silverado 2500/3500 or GMC Sierra 2500/3500 heavyduty truck with the Rancho 2-in. Level It torsion key system. Featuring easy bolt-on installation, the kit comes complete with extended length Rancho RS5000?X front shocks to accommodate tires up to 33-in. COMPATIBILITY ? Designed for Chevy Silverado 2500/3500 and GMC Sierra 2500/3500 2/4WD heavy-duty trucks COMPLETE SOLUTION ? Kit includes two Level It torsion keys and two Rancho RS5000X extended length front shocks to accommodate tires up to 33-in. (rear shocks sold separately) MAINTAINS OE RIDE ? Keeps factory ride quality for dependable performance LEVELED STANCE ? Eliminates factory rake and evens out truck?s stance ENGINEERED TO LAST ? Torsion keys feature forged construction for long life and durable black finish to resist rust and corrosion EASY TO INSTALL ? Bolt-on installation for an easy upgrade