ReadyLift - 6" Big Lift Kit (ZR2/AT4X) - 2025-2026 Chevy Silverado 1500 ZR2 / GMC Sierra 1500 AT4X (4WD) - 44-35600

6-inch big lift kit engineered for the 2025-2026 Chevy Silverado 1500 ZR2 and GMC Sierra 1500 AT4X.

Built specifically for the ZR2 and AT4X, this 6-inch kit yields roughly 8 inches of total lift when combined with the factory 2-inch lift for maximum clearance and off-road capability while preserving ReadyLIFT ride quality. A proprietary lower strut clam-shell design maintains factory geometry and retains the factory struts.

Fits: 2025-2026 Chevy Silverado 1500 ZR2 and GMC Sierra 1500 AT4X, 4WD.

Features

• 6-inch (6-inch + 2-inch) kit yields about 8 inches of total lift with the factory 2-inch lift
• Proprietary lower strut clam-shell design retains the factory strut and geometry
• Tube-steel upper control arms with maintenance-free pivot bushings and 1-ton ball joints
• 3/16-inch steel plate cross-members and skid plate
• Anti-torsion boxed and gusseted steel differential drop brackets
• Includes ReadyGuard Powertrain Warranty

Tire Fitment

Up to 37x12.50 on 9" wide wheels with 0 offset with no trimming; a -18 offset will require minor trimming.

Notes

Use of the Auto 4 Hi feature is not recommended. Not compatible with rear mono-leaf springs.