We have bundled everything you need in a lift kit for your GM 2500/3500 with high quality Cognito components. There is no guesswork. Cognito components are engineered, manufactured, and assembled in the USA.At the core of this lift package is our performance proven Cognito Front Suspension Lift Kit featuring an integrated skid plate that ties the front and rear cross members together for unmatched front-end rigidity.The kit includes custom fabricated spindles and all bracketry required for installation as well as 5-Inch fabricated rear blocks and new U Bolts for the rear. These parts are hand built here in the USA and finished with a durable semi-gloss black powder coating.The Fox 2.0 Performance Series Monotube Shocks are perfectly matched to give a comfortable on-road ride and predictable off-road handling in even the toughest of conditions.