We've bundled everything you need in a leveling kit for your 2020-2022 Silverado/Sierra 2500/3500 2WD/4WD with high quality Cognito components. There's no guesswork.The Cognito Standard upper control arms are built with a modified ball joint angle to eliminate travel limitations of the ball joint in lifted applications. Upgrade your stock upper control arms with Cognito Standard Control Arms for better performance, style and function.Ample droop travel is required for good ride quality and all suspension components to last and work properly. The allowable droop travel is also improved with the design of these arms.Cognito Torsion Bar Keys levels the front with the rear of the truck. Their forged construction makes them practically indestructible and they bolt in for easy installation. Made in the USA.. Cognito 20-25 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD 3in Standard Leveling Kit. Cognito 3-Inch Standard Leveling Kit for 2020-2024 Silverado/Sierra 2500/3500 2WD/4WD. Fits up to a 35 x 12.5-inch tire on a 9-inch wide wheel with 5-inch backspacing. 3" Standard Leveling Kit 2020 GM 2500HD/3500HD 2WD/4WD Trucks. Improves vehicle appearance and reduces nose-down rake. Maintains adequate droop travel to retain ride quality. Cognito Ball Joint Standard Upper Control Arm Kit. Yields 3 inches of front lift. Torsion Bar Adjuster Key Kit. Improved ball joint angle. 3-hour DIY install time. Suspension Lift Kit. Front shock spacers. Made in the USA

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