2020-2025 GM HD 3" Lift SST 2.1 Lift Kit w/ Falcon 2.1 Shocks (62-30360)

The ReadyLIFT 3.0-inch SST2.1 Lift Kit is a premium suspension system designed to enhance the stance, performance, and capability of GM HD trucks. It achieves a 3-inch front and 1-inch rear lift using SST lift-specific Forged Torsion Keys upfront, paired with Xtreme-Duty fabricated 4130 chromoly steel upper control arms. The kit includes vehicle-specific performance-tuned Falcon 2.1 monotube dampers on all four corners, engineered to deliver smooth on-road comfort and improved performance for daily driving, off-road excursions, and tow/haul duties. The rear Falcon shocks feature a 3-position Fast-Adjust setting for tuning based on driving needs.

Features

• Provides 3-inch front lift and 1-inch rear lift.
• Includes SST lift-specific Forged Torsion Keys.
• Features Xtreme-Duty fabricated 4130 chromoly steel upper control arms with heavy-duty high angle ball joints and maintenance-free TCT pivot bushings.
• Includes vehicle-specific performance-tuned Falcon 2.1 monotube dampers on all four corners.
• Rear Falcon shocks feature 3-position Fast-Adjust settings for tuning (Sport/daily, Moderate Tow/Haul, and Heavy Tow/Haul).
• Includes a front inner fender bracket to fit larger tires.

Notes

• Special Note: When setting the torsion key adjustment bolt, do not exceed 27 inches from the wheel center to the fender edge. Exceeding this will overlift the vehicle, resulting in poor ride quality and premature wear.
• Max width on stock wheels is 11.5 inches.

Compatibility Notes

• Does not work with AT4X or ZR2 models.
• Some fender well trim variances may be experienced between Silverado and Sierra models.
• This kit will fit dually (DRW) trucks.

Tire Fitment

• Allows for no-trim 20x9 0 offset on a 35x12.50 tire.
• Maximum tire size with trimming is 35x12.50 on a 20x10 -18 offset wheel.

Specs

• Front Lift: 3.0 inches
• Rear Lift: 1.0 inch
• Control Arm Material: Fabricated 4130 chromoly steel (Xtreme-Duty)
• Shock Type: Falcon 2.1 Monotube Front / Adjustable Falcon 2.1 Rear
• Kit Contents: Forged Torsion Keys, Fabricated Upper Control Arms, Front and Rear Falcon Shocks, Front Inner Fender Brackets, 1-inch Rear Blocks, 1-inch U-Bolt Kit, Differential Drop Spacers, and a Hardware Kit.