The ReadyLIFT 6-inch Big Lift Kit with Falcon 1.1 Monotube Shocks is engineered for the new 2025 Chevy Silverado and GMC Sierra 1500 4WD trucks, providing a commanding 6 inches of lift. This kit delivers incredible ride quality and superior handling performance, proven through thousands of miles of road and trail testing to ride better than stock. It utilizes heavy-duty components, including boxed steel front and rear cross members and a full-width front skid plate, along with premium Falcon 1.1 Monotube rear shocks, offering increased stability and high-value performance.

Features

• Delivers 6 inches of suspension lift.
• Maintains the factory ride and handling characteristics.
• Includes premium Falcon 1.1 Monotube extended length rear shocks.
• Utilizes heavy-duty cast iron lift knuckles engineered to retain factory geometry.
• Features 3/16-inch thick steel plate cross members and a full-width front skid plate.
• Comes with anti-torsion boxed and gusseted plate steel differential drop brackets.
• Includes fabricated steel 5-inch rear lift blocks with integrated bump stop landings, offset pin, and proper pinion angle correction.
• Backed by the ReadyGuard Powertrain Warranty.

Notes

• Use of the Auto 4 Hi feature is not recommended.
• Vehicle alignment and headlamp aim must be checked and adjusted after product installation.
• If the vehicle is equipped with Advanced Driver Assistance Systems (ADAS), these systems may require recalibration.
• Estimated installation time is 10 hours plus or minus 1 hour, excluding alignment and wheel/tire assembly.

Compatibility Notes

• Engineered for 2025 Chevy Silverado and GMC Sierra 1500 4WD trucks.
• Not for use on Trail Boss, AT4, AT4X, ZR2, Diesel, or Denali models.
• Not compatible with Adaptive Ride Control or Multimatic suspension.
• Not compatible with rear composite mono-leaf springs; only works with traditional steel leaf springs (check for square U-bolts).
• The kit is not compatible with Super Cruise equipped vehicles.
• Single Cab configuration fitment and drivability has not been validated.

Tire Fitment

• Allows for up to 35x12.50 tires on a 9-inch wide wheel with 0 offset for no trimming.
• With trimming, fitment is possible for up to 35x12.50 or 325/60R20 tires on a 10-inch wide wheel with -18 offset.
• Trimming requirements for maximum fitment include the front valance, front felt liner edge, rear felt liner edge, and front rear well edge mud flap.

Specs

• Lift Height: 6 inches.
• Shock Type: Falcon 1.1 Monotube.
• Kit Contents: Front/Rear Cross Members, Front Skid Plate, Lift Knuckles, Strut Extensions, Differential Drop Brackets, Sway Bar Drop Brackets, 5-inch Fabricated Rear Blocks, Falcon 1.1 Monotube Rear Shocks, and installation hardware.