The CST 8"-10" Stage 5 Lift Kit With 2.0 Shocks & Leaf Springs CSK-C3-16-5 provides superior fit, function and finish on your 2011-2019 GM 2500HD 4WD. Improved ride quality, O.E. steering geometry, O.E. CV angles, O.E. track-width, thats just a few of the many reasons CST is known as the 2500HD specialists. You could also say CST paved the way for sub-frame style lift kits, twenty years ago and long before the current trend. Fifteen years later, like the 2500HD CST lift kits are still evolving and still continue to uphold our reputation! The Lift Kit includes front & rear lift components and shocks for a level stance at 8 inches of lift.Â CST has combined their experience in off road racing with trophy truck quality engineering to ensure that your suspension will have increased strength, performance, overall build integrity and perform better than stock. Throughout the initial design and R&D process, CST made sure to retain the factory O.E. suspension geometry and design attributes! The Stage 5 8-10" adjustable kit for the front end includes a one-piece gusseted sub-frame with a steel full size differential skid plate, fabricated steel, CNC machined front steering knuckles, high strength steering drop center-link with heim jointed support links to minimize wear of the factory idler and pitman arms, differential drop brackets, heavy duty bump stop brackets, extended sway bar end links, brake lines & drop brackets, CST laser cut torsion x-member drop brackets and all of the necessary hardware. This kit also includes (4) 2.0 Dirt-Series Emulsion Shocks and a pair of soft-ride rear leaf springs with new u-bolt spring plates, 1 inch rear blocks and zinc plated u-bolts for 7.5 inches of lift. Â Wheel & Tire Guidelines:Â Most factory O.E. wheels and tires will work with the lift kit installed. Wheels For Use With Oversized Tires: - 17 x 8" or 9" w/ 5 1/4" BSÂ - 18 x 9" w/ 5 1/4" BSÂ - 20 x 9" or 10" w/ 5 3/4" BSÂ (some higher offset wheels may work....test fitment required)Â Tire Sizes For Use On 20" factory O.E. or aftermarket wheelsÂ - 37 x 12.50 - 38 x 13.50 or 14.50 (minor trimming required - must be set to 10" of lift) Features:Â 8"-10" Adjustable Front Lift Height (Additional Components Required) Improved Ground ClearanceÂ Proudly Made In The USA!Â Superior Quality, Ride, Fit & FinishÂ Constructed Of 1/4" Or Thicker Steel For Extreme Strength Notes - Please Read For Additional Components Required: CST Torsion Keys required for 9"-10" front lift, to clear 38" tires.Â 17" wheels must have no more than 5-1/4" backspacing.Â Some models may need additional rear lift components for truck to be completely level.Â Front driveshaft recommended for 2011-2014 models, required on all 2015+ models. Trucks with 2-piece driveline require carrier bearing spacer.Â Leaf springs are not intended for towing and will not retain factory GVW rating.Â 3500HD Owners: This kit was designed and tested for the 2500HD trucks. It can be used on 3500HD and 3500HD Dually if the purchaser / installer is able to provide custom u-bolts for their application. Due to the many different spring and axle configurations, u-bolts are not included or offered for the 3500HD models. Neither XDP or CST offer u-bolts for these applications. You must be able to source them locally. Custom carrier bearing spacer may be required as well. Â Truck Freight Item: Allow 1-2 Weeks for delivery. Truck freight charges apply.