2020-2024 GM HD 3.0" SST Lift Kit (69-30300)

The ReadyLIFT 3-inch Front / 1-inch Rear SST Lift Kit for 2020-2025 GM Silverado/Sierra 2500HD/3500HD trucks is a precision-engineered suspension system designed to improve stance, performance, and capability. This kit features SST lift-specific forged torsion keys and 1-inch rear blocks, providing a lifted stance that comfortably clears larger wheels and tires. A key highlight is the inclusion of new front inner fender brackets, which allow for greater tire clearance than ever before while maintaining a factory-like driving experience.

Features

• Provides 3.0 inches of front lift and 1.0 inch of rear lift for a balanced, aggressive stance.
• SST lift-specific forged torsion keys are specifically designed for the updated GM HD suspension.
• Includes innovative front inner fender brackets to facilitate larger tire fitment without aggressive trimming.
• 1/2-inch differential drop spacers are included to help maintain proper CV axle angles.
• Comes with 1.0-inch rear lift blocks and high-strength U-bolts.
• Allows for a no-trim fitment of 35x12.50 tires on 20x9 wheels with a 0 offset.
• Maintains factory turning radius and overall drivability.

Notes

• A professional wheel alignment is required after installation to ensure optimal handling and safety.
• Headlamp aim must be checked and adjusted for safety following the change in ride height.
• Advanced Driver Assistance Systems (ADAS) should be recalibrated to maintain proper monitoring and function.
• Installation by a certified mechanic is recommended to ensure all critical geometry corrections are properly executed.
• Special Adjustment Note: When setting the torsion key bolt, do not exceed 27 inches from the wheel center to the fender edge. Exceeding this height will eliminate down travel and lead to poor ride quality and premature wear.

Compatibility Notes

• Fits 2020–2025 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD models.
• Does not work with AT4X or ZR2 trim levels.
• U-bolts included are compatible with trucks equipped with factory overload springs.

Specs

• Front Lift Height: 3.0 inches.
• Rear Lift Height: 1.0 inch.
• Max Tire Size: 35 inches.
• Material: Forged Steel (Torsion Keys) and Cast Iron (Blocks).
• Kit Contents: Two forged torsion keys, two 1-inch rear blocks, four U-bolts, front inner fender brackets (L/R), and differential drop spacers.