Cognito 4"� Standard Lift Kit (bundled) for 2011-2019 Chevrolet and GMC 2500HD/3500HD 2WD/4WD Trucks (Non-Torsion Bar Drop). We've selected all the parts you'll need to lift your GM 2500HD/3500HD 4 inches with high quality Cognito components and Fox performance shocks. 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 1"� 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. This product ships in approximately 1 days