ReadyLIFT 6 Inch (6+2) Big Lift Kit - 2022-2024 Chevy Silverado 1500 ZR2 GMC Sierra 1500 AT4X (44-32620)

This ReadyLIFT big lift kit is made for the 2022-2024 Chevy Silverado 1500 ZR2 and GMC Sierra 1500 AT4X. It adds 6 inch of lift on top of the factory 2 inch lift, for 8 inch total, and clears a 37x12.50 tire on a 20x9 wheel with 0 offset and no trimming. Up front it keeps the factory strut with a lower strut clamshell design, and the rear uses 5 inch tall fabricated steel blocks plus an add-a-leaf kit. Shocks are not included; rear shock extensions keep the factory shocks.

Key features

• Lower strut clamshell design that maintains factory geometry and retains the factory strut
• Tube steel upper control arms with maintenance-free pivot bushings and 1-ton ball joints
• Fabricated steel rear blocks, 5 inch tall, tapered 5 degrees, with an offset pin and integrated bump stop landings
• 3/16 inch thick steel plate cross members and skid plate
• Anti-torsion boxed and gusseted plate steel differential drop brackets
• Rear shock extensions that retain the factory performance shocks

What's included

• Rear differential drop and crush sleeve
• Sway bar brackets (driver and passenger)
• Cam block off plates
• Strut extensions (driver and passenger) and pre-load spacers
• Knuckles (driver and passenger)
• Fabricated rear blocks (driver and passenger)
• Add-a-leaf kit
• Rear brake line bracket and rear ABS bracket
• CV axle spacer (1/4 inch thick outer spacer)
• Rear shock extensions and washers
• Hardware pack

Fitment and compatibility

• Fits 2022-2024 Chevy Silverado 1500 ZR2 and GMC Sierra 1500 AT4X only
• Not compatible with rear mono-leaf springs
• Not compatible with factory 18 inch wheels
• Use of the Auto 4 Hi feature is not recommended
• Will not fit late model 2024 or 2025 trucks that have round U-bolts. ReadyLIFT lists U-bolt kit 67-35150UB as the part that allows 2025 fitment
• 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: 44-32620
• Kit lift: 6 inch (6+2)
• Total lift: 8 inch with the factory 2 inch lift
• 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
• Shocks included: No
• Hardware included: Yes
• Estimated install time: 12 hours, plus or minus 1 hour
• Warranty: Includes ReadyGuard Powertrain Warranty

Installation

Allow about 12 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. An alignment, a headlamp aim check and ADAS recalibration may be needed, at extra cost.

Modifying your suspension can change handling and rollover risk (SAE J2492). Always wear your seat belt. ReadyLIFT's page carries a California Proposition 65 warning that names DEHP.