25-26 Chevy Silverado & GMC Sierra 1500 AT4 & Trail Boss 1.75 Inch Lift Kit - Nitro Shocks
Vehicle compatibility
Order online and pick up at our shop: 9261 Bally Court, Rancho Cucamonga, CA (opens Google Maps in a new tab).
- Type Lift Kits
- Vendor Zone Offroad
- SKU ZONC75N
Build your 2025-2026 Chevy Silverado & GMC Sierra 1500 AT4 & Trail Boss the right way with the Zone Offroad 1.75 Inch Lift Kit. This complete system is engineered to add ground clearance and room for larger tires while keeping the install bolt-on friendly.
The front uses a strut spacer design to deliver a 1.75-inch lift, and out back the block setup adds 1 inch. The kit comes with Zone Nitro Series shocks matched to the new ride height. It is designed to clear tires up to 33 x 12.5 (trimming may be required on some applications).
Installation is typically rated moderate and takes about 3-4 hrs. Confirm fitment for your 2025-2026 Chevy Silverado & GMC Sierra 1500 AT4 & Trail Boss using the Details below, or contact us if you need help matching the right kit to your truck.
Features and Benefits:
- Maintains on-road handling while improving off-road performance.
- Top mounted front strut spacer retains factory ride quality.
- Adventure Series upper control arms for additional strength and durability.
- Optional FOX Adventure Series 2.0 rear shocks.
Kit Components:
- ZON7719 (x2) - Nitro- 26.20 x 15.65 x 2-3/8 - EB1/EB1
- ZONC1174 - 19-26 Chevy TB/GMC AT4 1500 1.75 Inch, Chevy ZR2/GMC AT4X 1500 1.5 Inch Leveling Kit
- ZONC1307 - 25-26 Chevy/GMC 1500 3 Inch Rear Block Kit
Important Notes:
- Control arms typically add 1-2 degrees caster above stock alignment specifications.
- All aftermarket wheels should be test fit prior to mounting the tire to ensure proper clearance to the brake caliper. Some wheel profiles will not clear the brake caliper. These can be test fitted before the vehicle is lifted.
- For replacement ball joints use service kit ZONF8202. Ball joint is directional and must be installed with the ‘dot’ facing either inward or outward on the vehicle, otherwise damage may occur.
- This kit will NOT fit AT4X or ZR2 models with the Multimatic Shocks.
- Stock Wheels and Tires will require 1/4" Wheel Spacer to clear upper control arm.
- Mono-Leaf models require Qty 4 UBT4025 u-bolts for installation.
- Chevy:.
- 295/60 20x9 w/ 6.18-5.5" BS.
- 35/12.50 18x9 w/ 20x9; 5.5" BS *.
- 285/55 20x9; 285/60 18x9; 285/65 17x9 w/ 6.18-4.5" BS *.
- 285/60 20x9; 285/70 18x9; or 285/75 17x9 w/ 6.18" to 5.5" BS.
- GMC:.
- 295/55 20x9 w/ 6.18-5.5" BS.
- 33/12.50 18x9 w/ 20x9; 5.5" BS **.
- 295/60 20x9 w/ 6.18-5.5" BS **.
- 285/55 20x9; 285/60 18x9; 285/65 17x9 w/ 6.18-4.5" BS *.
- 285/60 20x9; 285/70 18x9; or 285/75 17x9 w/ 6.18" to 5.5" BS.
Details:
- Fits: 2025-2026 Chevy Silverado & GMC Sierra 1500 AT4 & Trail Boss
- Location: Front/Rear
- Lift Height: 1.75 Inch
- Rear Lift Height: 1 Inch
- Front Lift Method: Strut Spacer
- Rear Lift Method: Block
- Max Tire Size: 33 x 12.5
- Shocks Included: Yes
- Shock Style: Nitro Series
- Drive: 4WD
- Installation Time: 3-4 hrs
- Installation Difficulty: Moderate
- Brand: Zone Offroad
- Part Number: ZONC75N
- Weight: 71.0 lb
Installation Instructions: Download the Zone Offroad installation guide (PDF)
California Proposition 65 warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov