We have bundled everything you need in a lift kit for your Silverado/Sierra 2500/3500 2WD/4WD with high quality Cognito components. There is no guesswork. Cognito components are engineered, manufactured and assembled in the USA. The Cognito Non-Torsion Bar Drop Front Lift kit is designed and engineered to offer superior ride quality and corrected CV joint angles. The Cognito Ball Joint SM Series Upper Control Arms add style, function and performance to your vehicle by correcting the Ball Joint angle for lifted and leveled applications and 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. Pre-installed maintenance free ball joints and pivot bushings are included. The Cognito Pitman and Idler Arm Support Kit: Pitman and Idler arms have been an inherent wear problem within the steering systems of Chevy and GMC trucks and SUVs for decades. The Cognito PISK (Pitman and Idler Arm Support Kit) replace the problem components that plague factory and aftermarket steering systems on several models and years of GM trucks and SUVs. These improvements are accomplished through application of Cognito's innovative, patented design, by providing additional support to the vehicle's pitman and idler arms, which eliminate the forward and rearward movement of the center-link.. The Fox 2.0 Performance Series Remote Reservoir shocks contain the latest in shock technology to transform the performance of your truck. The Fox 2.0 Performance Series front shocks are rust resistant and have a metal impact extruded aluminum body to increase cooling capacity. Eliminates oil aeration allowing maximum performance from the factory-tuned, precision valving. They're easy to install and provide a comfortable on-road ride and predictable off-road handling in even the toughest conditions. The Cognito 2 inch Block and U-Bolt Kit includes 2 inch tall powder coated semi-gloss black cast steel blocks and heavy-duty zinc plated U-bolts.. Cognito 20-24 Chevy/GMC Silv/Sierra 2500/3500 HD 2WD/4WD 4in Perf Lift Kit w/ Fox PSRR 2.0 Shocks. 4” Performance Lift Kit 2020 GM 2500HD/3500HD 2WD/4WD Trucks. Cognito Block and U-Bolt Kit yields 2-inches of rear lift. Maintains Adequate Droop Travel for Superior Ride Quality. Fox 2.0 Performance Series Remote Reservoir Shocks. Patented Pitman and Idler Arm Support Kit. SM Series Ball Joint Upper Control Arms. Yields 4-inches of front lift. 13-hour DIY install time. Suspension Lift Kit. Made In USA

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