2019-2024 GM 1500 8" MAX3.3 Suspension System w/ Falcon 3.3 Adj Shocks (42-39840)

The ReadyLIFT 8-inch MAX3.3 Premium Suspension System for the 2019-2024 Chevy Silverado and GMC Sierra 1500 4WD is a high-performance lift solution designed to deliver superior ride quality and an aggressive stance. Featuring Falcon 3.3 Fast Adjust dampers with independent dual-knob tuning, this system allows drivers to fine-tune their suspension for any terrain. Built with heavy-duty DOM tubular steel upper control arms and high-clearance crossmembers, the MAX3.3 system preserves factory steering geometry and turning radius while providing the clearance needed for massive 37-inch tires.

Features

• Delivers a full 8 inches of lift for maximum ground clearance and a commanding presence.
• Includes Falcon 3.3 Fast Adjust Front Remote Reservoir Coilovers and Rear Piggyback Shocks.
• 3-position Fast Adjust Knob allows for quick changes between Soft, Custom, and Firm compression settings.
• 8-position Micro Adjust Dial provides precision rebound damping control for refined ride personalization.
• Heavy-duty DOM tubular steel upper control arms (UCAs) feature proprietary high-angle ball joints for superior articulation.
• Laser-cut, CNC-formed boxed steel front and rear drop crossmembers provide extreme structural strength.
• Full-width 3/16-inch steel front skid plate offers complete underbody and differential protection.
• Fabricated 5-inch rear lift blocks with integrated bump stop landings maintain proper rake and support.
• Retains factory ride quality and turning radius for a better-than-stock driving experience.

Notes

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

Compatibility Notes

• Fits 2019–2024 Chevy Silverado and GMC Sierra 1500 4WD models.
• AT4 or Trail Boss models will achieve a net lift of 6 inches over factory stock height.
• AT4X or ZR2 models will achieve a net lift of 6 inches and require removal of factory Multimatic shocks.
• Not compatible with Diesel models due to the absence of an oil line relocation bracket.
• Not compatible with Denali 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): 37x12.50 tires on 20x9 wheels with 0 offset.
• Maximum Fitment (With Trimming): 37x12.50 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 heat dissipation and corrosion resistance.
• VOD Technology: Volume Optimized Damping uses a digressive linear piston for quicker damping ramp-up and reduced body roll.
• Fluid: Red Line High VI shock oil provides consistent performance from -50°F to 450°F.
• Adjustability: Independent 3-position Fast Adjust Knob and 8-position Micro Adjust Dial.

Specs

• Lift Height: 8 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, Rear Add-A-Leaf, Sway Bar Brackets, Brake Line Brackets, Bump Stop Extensions, and necessary hardware.