ReadyLIFT 6 Inch Big Lift Kit - 2025-2026 Chevy Silverado 1500 High Country GMC Sierra 1500 Denali with ARC (44-35615)

This ReadyLIFT 6 inch big lift kit is made for the 2025-2026 Chevy Silverado 1500 High Country and GMC Sierra 1500 Denali with Adaptive Ride Control (ARC). It is designed to keep the factory ARC system fully working, and it gives 6 inch of front lift. The front uses cast iron lift knuckles, and the rear uses 5 inch tall fabricated steel blocks with rear shock extensions that keep the factory ARC rear shocks working. Shocks are not included.

Key features

• Designed to keep full operation of the factory Adaptive Ride Control system
• Cast iron lift knuckles
• Angled, offset top mount strut extensions that realign the struts
• Lower mount strut pre-load spacer that slightly increases spring rate
• Fabricated steel rear lift blocks with integrated bump stop landings
• Boxed steel cross members and front skid plate in 3/16 inch plate steel, with 1/4 inch boxed plate steel differential drop brackets

What's included

• Front and rear cross members and skid plate
• Top mount strut extensions and rear shock extensions
• Sway bar drop brackets
• Fabricated steel rear lift blocks with bump stop landings
• Cast iron lift knuckles
• Hardware and instructions

Fitment and compatibility

• Fits 2025-2026 Chevy Silverado 1500 High Country and GMC Sierra 1500 Denali equipped with Adaptive Ride Control only
• Not compatible with trucks that have rear composite mono-leaf springs (round U-bolts); compatible springs use square U-bolts
• Single Cab configurations have not been validated for fitment or drivability by ReadyLIFT
• Use of the Auto 4 Hi feature is not recommended
• Larger setups may need trimming at the front valance, felt liner edges and a mud flap edge. Test fit every tire and wheel combination; recommendations are based on Wheel Pros wheels and Nitto tires

Specifications

• Brand: ReadyLIFT
• Part number: 44-35615
• Front lift: 6 inch
• Rear blocks: 5 inch tall
• Max tire: 35x12.50 on a 20x9 wheel, 0 offset, no trimming
• Max tire with trimming: 35x12.50 or 325/60R20 on a 20x10 wheel, -18 offset
• Material: Steel with cast iron knuckles
• Shocks included: No
• Hardware included: Yes
• Estimated install time: 10 hours, plus or minus 1 hour
• Warranty: Includes ReadyGuard Powertrain Warranty

Installation

Allow about 10 hours, plus or minus 1, not counting alignment or wheel and tire assembly. The page labels it do it yourself, but a certified mechanic is recommended. An alignment, a headlamp aim check and ADAS recalibration may be needed, at extra cost.

Modifying your suspension can change handling and rollover risk (SAE J2492). Always wear your seat belt. ReadyLIFT's page carries a California Proposition 65 warning that names DEHP.