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 Fox 2.0 Performance Series shocks contain the latest in shock technology to transform the performance of your truck.The Fox 2.0 Performance Series IFP front shocks are rust resistant and have a metal impact extruded aluminum body to increase cooling capacity. The IFP 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 Silverado/Sierra 2500/3500 HD 2WD/4WD 4in Std Lift Kit w/ Fox PS 2.0 IFP. Allows for up to a 37x12.5 Tire on a 9-Inch Wide Wheel with 5.5-Inch Backspacing. 4” Standard 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 IFP Monotube Shocks. Yields 4-inches of front lift. 10-hour DIY install time. Suspension Lift Kit. Made in the USA

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