ReadyLIFT 8 Inch Big Lift Kit - 2019-2022 Chevy Silverado 1500 High Country GMC Sierra 1500 Denali with ARC (44-39810)

This ReadyLIFT 8 inch big lift kit is made for the 2019-2022 Chevy Silverado 1500 High Country and GMC Sierra 1500 Denali with Adaptive Ride Control (ARC), on 4WD trucks. It is designed to keep the factory ARC system fully working and clears a 37x12.50 tire on a 20x9 wheel with 0 offset and no trimming. The rear uses taller fabricated steel blocks with integrated bump stop landings, and rear shock extensions keep the factory ARC rear shocks. Shocks are not included.

Key features

• Designed to keep the factory ARC system fully operational
• Laser-cut, tabbed and slotted heavy-duty steel construction
• Brackets reposition and angle the front differential
• Angled and offset strut extensions with a lower strut pre-load spacer that slightly increases spring rate
• 3/16 inch steel plate cross members and skid plate, with 1/4 inch boxed plate steel differential drop brackets
• Cast iron knuckles engineered for suspension geometry

What's included

• Front and rear cross members and skid plate
• Top mount strut extensions and rear shock extensions
• Sway bar drop brackets
• Fabricated steel rear lift blocks with bump stop landings
• Cast iron lift knuckles
• Hardware and instructions

Fitment and compatibility

• Fits 2019-2022 Chevy Silverado 1500 High Country and GMC Sierra 1500 Denali with Adaptive Ride Control only, 4WD
• Will not fit 2023 and newer models because of CV axle angles
• Not for Trail Boss, AT4, AT4X, ZR2 or diesel models
• Not compatible with rear mono-leaf springs
• Single Cab configurations have not been validated for fitment or drivability
• Use of the Auto 4 Hi feature is not recommended
• Larger setups may need trimming at the front valance, felt liner edges and a mud flap edge. Test fit every tire and wheel combination; recommendations are based on Wheel Pros wheels and Nitto tires

Specifications

• Brand: ReadyLIFT
• Part number: 44-39810
• Lift: 8 inch
• Max tire: 37x12.50 on a 20x9 wheel, 0 offset, no trimming
• Max tire with trimming: 37x12.50 on a 20x10 wheel, -18 offset
• Material: Steel with cast iron knuckles
• Shocks included: No
• Hardware included: Yes
• Estimated install time: 10 hours, plus or minus 1 hour
• Warranty: Includes ReadyGuard Powertrain Warranty

Installation

Allow about 10 hours, plus or minus 1, not counting alignment or wheel and tire assembly. The page labels it do it yourself, but a certified mechanic is recommended. Alignment may be required, headlamp aim must be checked, and ADAS may need dealer recalibration, at extra cost.

ReadyLIFT's page carries a California Proposition 65 warning that names DEHP.