2025 GM 1500 6" MAX3.3 Suspension System w/ Falcon 3.3 Adj Shocks (42-35640)

The ReadyLIFT 6-inch MAX3.3 Premium Suspension System for the 2025 Chevy Silverado and GMC Sierra 1500 4WD is the ultimate performance upgrade for truck owners who refuse to compromise. Engineered around the advanced Falcon 3.3 Fast Adjust Front Remote Reservoir Coilovers and Rear Piggyback Shocks, this system delivers precision-tuned handling and an aggressive stance. With independent dual-knob adjustability, drivers can fine-tune their ride for any scenario, from smooth highway cruising and heavy towing to high-speed off-road adventures, ensuring the truck performs better than factory on every terrain.

Features

• Delivers a full 6 inches of lift for increased ground clearance and a commanding presence.
• Includes Falcon 3.3 Fast Adjust Coilovers and Rear Shocks with dual-knob tuning.
• Features a 3-position Fast Adjust Knob (Soft, Custom, Firm) for immediate compression changes.
• Equipped with an 8-position Micro Adjust Dial for precise rebound damping control.
• Includes heavy-duty DOM tubular steel upper control arms (UCAs) with high-angle proprietary ball joints for superior articulation.
• Features boxed steel front and rear crossmembers and 1/4-inch plate steel differential drop brackets for maximum strength.
• Comes with a full-width 3/16-inch steel front skid plate for comprehensive underbody protection.
• Utilizes 5-inch fabricated rear lift blocks with integrated bump stop landings to maintain proper rake.
• Maintains factory turning radius and ride comfort while elevating overall performance.

Notes

• Use of the "Auto 4 Hi" feature is not recommended after installation.
• Vehicle alignment, headlamp aim, and Advanced Driver Assistance Systems (ADAS) must be checked and adjusted following installation.
• Trimming of the front valance, inner fender liners, and mud flaps may be required for larger tire/wheel combinations.

Compatibility Notes

• If installed on AT4 or Trail Boss models, the net lift will be 4 inches over factory stock height.
• If installed on AT4X or ZR2 models, the net lift will be 4 inches over factory stock height and requires removal of factory Multimatic shocks.
• Not compatible with Diesel models (due to lack of oil line relocation bracket).
• Not compatible with models equipped with Adaptive Ride Control (ARC).
• Not compatible with rear mono-leaf springs or the Super Cruise feature.
• Single Cab configurations have not been validated for fitment or drivability.

Tire Fitment

• Recommended (No Trimming): 35x12.50 tires on 20x9 wheels with 0 offset.
• Maximum Fitment (With Trimming): 35x12.50 or 325/60R20 tires on 20x10 wheels with -18 offset.

Shock Specs

• Shock Type: Falcon 3.3 Fast Adjust Front Remote Reservoir Coilovers and Rear Piggyback Shocks.
• Construction: Hard-anodized 6061-T6 aluminum bodies for superior corrosion and impact resistance.
• Internal Technology: Volume Optimized Damping (VOD) piston technology for improved control and bottom-out resistance.
• Fluid: Red Line High VI shock oil, maintaining consistent performance from -50°F to 450°F.
• Adjustability: Independent 3-position Fast Adjust Knob and 8-position Micro Adjust Dial.

Specs

• Lift Height: 6 inches.
• UCA Material: Heavy-duty DOM tubular steel.
• Crossmember Material: Boxed steel and 1/4-inch plate steel components.
• Kit Contents: Front Falcon 3.3 Remote Resi Coilovers, Rear Falcon 3.3 Piggyback Shocks, DOM Tubular UCAs, Front/Rear Boxed Steel Crossmembers, Full-width Front Skid Plate, Differential Drop Brackets, CV Axle Spacers, 5-inch Rear Lift Blocks, Sway Bar Brackets, Brake Line Brackets, Bump Stop Extensions, and all necessary hardware.