Rough Country
4 Inch Lift Kit | AT4/Trailboss | Chevy/GMC 1500 2WD/4WD (2025-2026)
Sold & installed by an Authorized Rough Country Dealer
Does it fit? Listed for 3 vehicles (Chevy, GMC). Pick your vehicle to check.
Fits your
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- Lifts and levels the vehicle from front to rear.
- High clearance crossmember design for optimal suspension geometry.
- Includes cast knuckles for extreme durability.
- Retains stock track width.
Install time: 8-10 hoursRequires cutting and drilling.ONLY fits LT Trail Boss, Custom Trail Boss, and AT4 models as they are equipped with a 2-inch factory lift.
Call or request a quote for today’s price and installation.
- Authorized Rough Country dealer
- Installed at our Silver Star Rd shop
- No-credit-needed financing
About the 4 Inch Lift Kit | AT4/Trailboss | Chevy/GMC 1500 2WD/4WD (2025-2026)
Elevate your GM Sierra 1500 AT4 or Silverado 1500 Trailboss with Rough Country’s 4-inch Suspension Lift Kit, designed to enhance both performance and style. This easy-to-install lift kit provides a bold, aggressive look while maintaining factory-like ride quality by using durable steel knuckles, differential brackets, and upper strut spacers. Offering clearance for 35" tires, it’s compatible with various shock options, from N3 to Vertex, giving you control over your ride. With a straightforward installation process and a limited lifetime replacement warranty, this suspension lift ensures durability and peace of mind, whether you're off-roading or cruising.Notes
- Requires cutting and drilling.
- ONLY fits LT Trail Boss, Custom Trail Boss, and AT4 models as they are equipped with a 2-inch factory lift.
- Does NOT fit factory wheels.
- 20-inch or larger aftermarket wheels are required.
- Wheels must feature 4.5in backspacing to fit.
- Please test fit wheels prior to installation.
- Some aftermarket wheels may require 0.25" wheel spacer #1065.
Features
- Lifts and levels the vehicle from front to rear.
- High clearance crossmember design for optimal suspension geometry.
- Includes cast knuckles for extreme durability.
- Retains stock track width.
- No strut disassembly required.
- 100% precision laser cut materials using the latest computer-aided design process.
- Fabricated blocks are stronger and offer a longer lifespan than cast blocks.
What’s in the Box
Front
- (2) Upper Strut Spacers
- Lifted Knuckles
- Front Crossmember
- Rear Crossmember
- CV Spacers
- Differential Drop Brackets
- Differential Skid Plate
- Sway-Bar Drop Brackets
- Hardware
Rear
- Fabricated Lift Blocks
- Brake Line Brackets
- U-bolts
- Hardware
Shocks
- (2) Rear Premium N3 Shocks
Specifications
| Brand | Rough Country |
|---|---|
| Type | Suspension Lift Kits |
| Part number | 110330-config |
| Est. Install Time | 8-10 hours |
Vehicle Fitment
3 vehicles listed by Rough Country. Always confirm drive type and trim before you order.
| Years | Make | Model | Details |
|---|---|---|---|
| 2025–2026 | Chevy | Silverado 1500 Custom Trail Boss | 4WD |
| 2025–2026 | Chevy | Silverado 1500 LT Trail Boss | 4WD |
| 2025–2026 | GMC | Sierra 1500 AT4 | 4WD |
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