Description
4″ (4” +2”) Big Lift Kit – 2025 GM Silverado/Sierra 1500 ZR2 / AT4XWith thousands of engineering and development hours and more awesome features than we could possibly mention, these are the best lift kits available on 2025 GM 1500 ZR2/ZT4X trucks!
- 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 35×12.50 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.
Application Summary:
| Year | Make/Model |
|---|---|
| 2025 | Chevrolet Silverado 1500 |
| 2025 | GMC Sierra 1500 |
| Attributes | |
| Color | Black, Black |
| Country of Origin (Primary) | TW |
| Fitment | Direct Fitment, Direct Fitment |
| Front Lift Component | Strurt with Crossmember, Strurt with Crossmember |
| Front or Rear | Front and Rear, Front and Rear |
| Harmonized Tariff Code (Schedule B) | 8708801600 |
| Hazardous Material Code | N |
| Install Difficulty | Difficult Requires Professional Installation, Difficult Requires Professional Installation |
| Installation Time | 5+ Hours, 5+ Hours |
| Life Cycle Status Code | Available to Order |
| Lift/Drop Height | 4 in. |
| Material | Steel, Steel |
| Max Tire Size | 35 Inch, 35 Inch |
| NAFTA Preference Criterion Code | B |
| Rear Lift Component | Block and U-bolt, Block and U-bolt |
| Rear Lift Height | 5 Inches, 5 Inches |
| SDR Required Flag | N |
| Shocks Included | No |
| GTIN | 00194933404681 |
