ReadyLIFT 4 Inch Front 3 Inch Rear SST Lift Kit - 2025-2026 Chevy GMC Silverado Sierra 1500 (69-35400)

This ReadyLIFT SST kit lifts the 2025-2026 Chevy Silverado 1500 and GMC Sierra 1500 by 4 inches in front and 3 inches in the rear. The front uses fabricated steel strut extensions with an offset design, billet aluminum pre-load spacers and tubular steel upper control arms; the rear uses 3 inch cast iron OE-style blocks with longer U-bolts. It's a no-cut kit that works with Adaptive Ride Control (ARC) suspension. ReadyLIFT states the kit is not intended for off-road use or abuse.

Key features

• Laser-cut steel strut extensions with an offset design that corrects strut position
• Billet aluminum front pre-load spacers
• Tubular steel upper control arms with adjusted ball joint pivot angles, heavy-duty ball joints and maintenance-free TCT bushings
• 3 inch cast iron OE-style rear blocks with axle pad locating ears and longer U-bolts
• No-cut installation; stays within OEM tolerances and CV limits

What's included

• 2 x upper control arms with maintenance-free TCT pivot bushings, heavy-duty ball joints and ARC adaptor
• 2 x fabricated steel heavy-duty strut extensions
• 2 x CNC-machined billet aluminum spring pre-load spacers
• 4 x laser-cut washers
• 3 inch cast rear block with U-bolts
• ARC relocation bracket
• Hardware

Fitment and compatibility

• Fits 2025-2026 Chevy Silverado 1500 and GMC Sierra 1500
• Works with ARC suspension; the kit includes the ARC adaptor and relocation bracket
• Not compatible with Trail Boss, ZR2, AT4 or AT4X
• Not compatible with Super Cruise
• Single Cab has not been validated for fitment or drivability
• Auto 4 Hi use is not recommended
• Trucks with mono-leaf rear springs need 67-39530UB. Check your rear spring before ordering; a mono-leaf has a round U-bolt around the top of the spring
• Some trimming may be needed depending on tire tread design
• Tire and wheel recommendations are based on Wheel Pros wheels and Nitto tires; test fit any combination before installing. Larger E-rated tires (10-ply or more) can ride harsher than OEM C-rated tires

Specifications

• Brand: ReadyLIFT
• Part number: 69-35400
• Front lift: 4 inch
• Rear lift: 3 inch
• Front components: strut extensions, pre-load spacers, upper control arms
• Rear component: 3 inch cast iron block
• Hardware included: Yes
• Estimated install time: 4.5 hours, plus or minus 0.5 hour

Installation

Allow about 4.5 hours, plus or minus 0.5, not counting alignment or wheel and tire assembly. A certified mechanic is recommended. You may need an alignment, headlamp aim has to be checked afterward, and trucks with camera or radar driver-assist systems may need recalibration with dealer tools. ReadyLIFT is not responsible for damage from improper installation.

Modifying your suspension can change handling and rollover risk (SAE J2492). Always wear your seat belt. California Prop 65: this product can expose you to DEHP, which can cause cancer and reproductive harm.