ReadyLIFT 8” Big Lift Kit (6” + 2”) – Chevrolet Silverado 1500 ZR2 / GMC Sierra 1500 AT4X (2025–2026)

The ReadyLIFT Big Lift Kit (6” + 2”) is the top-of-the-range solution for the Chevrolet Silverado 1500 ZR2 and GMC Sierra 1500 AT4X (2025–2026), combining the factory 2” lift with an extra 6” for a total lift of up to 8”.

Designed for extreme conditions and show builds, this kit allows tyres up to 37” to be fitted while maintaining stability and comfort thanks to the smart clamshell design, which uses the original shocks and retains the factory geometry.

The additionally included reinforced upper control arms with 1-ton ball joints provide durability and reliability under heavy loads and off-road.

⭐ Key Features

• Total lift: up to 8” (6” + factory 2”)

• Suitable for tyres up to 37×12.50

• Retains OEM geometry

• Heavy-duty components for extreme off-roading

• Improves ground clearance, stability and looks

🔧 Equipment

• Clamshell strut system

• Tube steel upper control arms (with 1-ton ball joints)

• Heavy-duty crossmembers (3/16” steel)

• Full skid plate protection

• Differential drop brackets (boxed & gusseted)

• Strut extensions and preload spacers

• Rear lift blocks

• Rear shock extensions

🔗 Compatibility

• Chevrolet Silverado 1500 ZR2 (2025–2026)

• GMC Sierra 1500 AT4X (2025–2026)

📦 What’s in the Box

• Complete lift kit

• Upper control arms

• Crossmembers and skid plate

• Differential drop system

• Rear blocks and shock extensions

• Mounting hardware

📊 Technical Specifications

• Type: big lift kit

• Lift: 8” total (6” + 2” factory)

• Max. tyres: up to 37×12.50

• Wheels: 9” width / 0 offset (−18 requires adjustments)

• Materials: heavy-duty steel

⚠️ Important

• Use of Auto 4 Hi mode is not recommended

• Not compatible with rear mono-leaf suspension

• Not compatible with diesel versions (no oil line relocation bracket)

• Check compatibility based on your vehicle’s model, year and configuration

• Professional installation is recommended