We have bundled everything you need in a leveling kit for your Silverado/Sierra 2500/3500 2WD/4WD with high quality Cognito components and Fox shocks.There is no guesswork. This kit includes the Cognito Ball Joint SM Series Upper Control Arm Kit, Torsion Bar Adjuster Keys, front and rear Fox Performance Series Monotube shocks.The Cognito Ball Joint SM Series Upper Control Arms add style, function, and performance to your vehicle by improving the allowable droop travel for a better ride quality. The control arm kit features boxed sheet metal arms that are welded and powder coated semi-gloss black.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.The 2.0 Performance Series IFP smooth body shocks contain the latest in shock technology to transform the performance of your truck or SUV. They use our race-proven damping control to provide a comfortable on-road ride and predictable off-road handling in even the toughest conditions.. Cognito 11-19 Chevy/GMC Silv/Sierra 2500/3500 HD 2WD/4WD 3in Perf Leveling Kit w/ Fox PS 2.0 IFP. Cognito Performance Leveling Kit 2011-2019 GM 2500HD/3500HD 2WD/4WD Trucks. Maintains adequate droop travel to optimize ride quality. Cognito Ball Joint SM Series Upper Control Arm Kit. Fox 2.0 Performance Series Mono Tube IFP Shocks. Cognito Torsion Bar Adjuster Key Kit. .5-inch Front Shock Extender Kit. Yields 3 inches of front lift. Improved ball joint angle. 3.5-hour DIY install time. Suspension Lift Kit. Made in the USA

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