ReadyLIFT - 44-39600

Big Lift Kit w/Shocks

6" Lift Kit - GM Silverado / Sierra 1500 - 2019-2021 With Falcon 1.1 Monotube Shocks

The ReadyLIFT 6" Big Lift Kit is designed for the 2019-2021 Chevy Silverado and GMC Sierra 1500 trucks, excluding Trail Boss, ZR2, or AT4 / AT4X models. This kit, with part number 44-39600, features advanced engineering for exceptional ride quality and handling. Its components include boxed steel front/rear cross members and a 3/16" thick steel front skid plate. The 1/4-inch steel differential drop brackets are double gusseted with a boxed center rib, ensuring durability against torsional twisting of the front differential. The kit's standout feature is its heavy-duty, angled, and offset top mount strut extensions that realign struts for optimal shock performance and minimal wear. A lower mount strut pre-load spacer increases spring rate for handling larger wheels and tires. The rear lift comprises 5" tall fabricated steel blocks with integrated bump stop landings and Falcon 1.1 Monotube rear shocks. After extensive testing, this kit is proven to enhance the ride of GM 1500 trucks. It allows for up to 35x12.50 tires on 20x9 wheels with 0 offset without trimming, and larger sizes with modifications. However, it's NOT compatible with Adaptive Ride Control, Multimatic systems, or trucks with rear composite mono-leaf springs (identifiable by round U-bolts); it works only with traditional steel leaf springs (square U-bolts). Key features include maintaining factory ride and handling, top mount strut extensions for factory geometry, 3/16-inch thick steel plate cross members and skid plate, anti-torsion differential drop brackets, fabricated steel rear lift blocks with bump stop landings, Falcon 1.1 Monotube rear shocks, and a ReadyGuard Powertrain Warranty. Note: Use of Auto 4 Hi is not recommended with this kit.

• 6" lift kit for 20192021 GM 1500 4WD trucks
• Maintains factory ride and handling
• Allows for increased aftermarket tire sizes, up to 35'' on 6inch kit on 9" wide wheels with 0 offset with no trimming
• Top mount strut extensions maintain factory geometry and retain use of factory strut
• 3/16inch thick steel plate cross members and skid plate
• Antitorsion boxed and gusseted plate steel differential drop brackets
• Fabricated steel 5" rear lift blocks with integrated bump stop landings and offset pin for proper pinon angle
• Includes premium Falcon 1.1 Monotube Shocks
• 6"" lift kit for 2019 6"" lift kit for 20192021 GM 1500 4WD trucks
• Allows for increased aftermarket tire sizes, up to 35'' on 6 Allows for increased aftermarket tire sizes, up to 35'' on 6inch kit on 9"" wide wheels with 0 offset with no trimming
• 3/16 3/16inch thick steel plate cross members and skid plate
• Anti Antitorsion boxed and gusseted plate steel differential drop brackets