READYLIFT part description

4" (4” +2”) Big Lift Kit - 2025 GM Silverado/Sierra 1500 ZR2 / AT4X

Features & Benefits

  • 4” (4” + 2”) kit yields 6” of total lift with factory 2” lift and ReadyLIFT’s 4” lift
  • Delivers clearance for increased aftermarket tire sizes - up to 35x12.50 on 6-inch kit on 9" wide wheels with 0 offsets with no trimming -18 offset will require minor trimming.
  • The proprietary lower strut clamshell design maintains factory geometry and retains the use of the factory strut.
  • 3/16-inch-thick steel plate cross members and skid plate.
  • Anti-torsion boxed and gusseted plate steel differential drop brackets.
  • Includes ReadyGuard Powertrain Warranty.
  • NOTES: Use of Auto 4 Hi feature not recommended. Not compatible with rear mono-leaf springs.

Product Attributes

Color Black
Fitment Direct Fitment
Front Lift Component Strurt with Crossmember
Front Or Rear Front and Rear
Install Difficulty Difficult Requires Professional Installation
Installation Time 5+ Hours
Material Steel
Max Tire Size 35 Inch
Prop65 Chem1 Di(2-ethylhexyl)phthalate (DEHP)
Rear Lift Component Block and U-bolt
Rear Lift Height 5 Inches
Shocks Included No

Additional Information

Country of Origin (Primary) TW
Harmonized Tariff Code (Schedule B) 8708801600
UPC 00194933404681

Fits Vehicles

  • Suzuki Aerio (2002)

ReadyLIFT® is a leading manufacturer of off-road suspension kits, leveling kits, block kits, and lift kits for Chevy, Ford, Dodge, Toyota, GMC, Jeep and Nissan vehicles. This company has come a long way since it was founded in 2006 to allow truck and SUV owners to install plus-size wheels and tires by leveling their vehicle through innovative suspension leveling products. Over the years, ReadyLIFT products have evolved to provide not just an improved “level” stance and clearance for larger wheels and tires but also that “factory” ride and feel. ReadyLIFT was acquired by Wheel Pros, a renowned manufacturer of automotive aftermarket wheels, tires, and accessories, in 2018 to expand its reach through its growing global network of distribution centers spanning North America and Australia.

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