2020-2022 GM HD 3-Inch Standard Leveling Kit (110-90777)We've bundled everything you need in a leveling kit for your 20 21 Silverado Sierra 2500 3500 2WD 4WD with high quality Cognito components. There's no guesswork. Features Yields 3 inches of front lift Cognito Ball Joint Standard Upper Control Arm Kit Torsion Bar Adjuster Key Kit Front shock spacers Improves vehicle appearance and reduces nose down rake Improved ball joint angle Maintains adequate droop travel to retain ride quality Fits up to a 35x12.