Installation Time
(approx) a Day
Difficulty Level:
Mechanical expertise or professional installation required.
FREE 1 to 3-Day Delivery on Orders $149+ Details
Rough Country Suspension 6-Inch Suspension Lift Kit with Front Strut Spacers and Premium N3 Rear Shocks (25-26 V8 Sierra 1500 w/ OEM Mon-Leaf Springs, Excluding AT4 & Denali)Find parts that fit my vehicle
Item S591612
Our Price
$1,399.95 kit
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Explore New Heights With An All-New Design Featuring Aggressive Angles And Head-Turning Styling
- Innovative Design Preserves Suspension Geometry Close To Factory Angles Using Steel Knuckles, Differential Brackets, And Drop Cross Members
- Upper Strut Spacers Provide Strength And Rigidity For Increased Lift Height
- Rear Blocks, Shocks, And U-Bolts Maintain Factory-Like Geometry
- Provides Clearance For 35" Tires With Proper Aftermarket Wheels And Spacers As Needed
- Configurable With Various Shock Options Including Nitrogen-Charged N3 And Vertex Reservoir Shocks
- Estimated Installation Time Of 8-10 Hours With Minor Cutting, Drilling, And Use Of Strut Compressor
- Limited Lifetime Replacement Warranty Covers Structural And Workmanship Defects
- Enhances Vehicle Stance By Lifting And Leveling Front To Rear
- High-Clearance Crossmember Design Optimizes Suspension Geometry For Superior Handling
- Heavy-Duty Cast Knuckles Ensure Extreme Durability For Rugged Terrain
- Retains Factory Track Width For Proper Wheel Alignment And Stability
- Precision Engineered With 100% Laser-Cut Materials Using Advanced CAD Technology
- Fabricated Lift Blocks Offer Superior Strength And Longevity Compared To Cast Alternatives
- Requires Cutting And Drilling For Installation
- Does Not Fit Denali Or Denali Ultimate Models Due To Adaptive Ride Control
- Does Not Fit AT4 Or AT4X Models Equipped With 2-Inch Factory Lift
- Does Not Fit Factory Wheels; Requires 20-Inch Or Larger Aftermarket Wheels With 4.5-Inch Backspacing
- Some Aftermarket Wheels May Require 0.25-Inch Wheel Spacer
- Fits 2025-2026 V8 Sierra 1500 W/ OEM Monoleaf Springs, Excluding AT4 & Denali
| Brand | Rough Country Suspension |
| Lift Height | 6.00 Inch |
| Lift Kit Type | Spacer Lift |
| Lift Kit Max Tire Size | 37 Inch |
| Brand of Shocks | Rough Country |
| Rear Lift Type | Spacer |
| Shock Style | Non-Reservoir |
Description
Lift Kit Enhancement. The Rough Country Suspension 6-Inch Suspension Lift Kit with Front Strut Spacers and Premium N3 Rear Shocks is designed to elevate your 2025-2026 GMC Sierra 1500 by 6 inches, providing a commanding stance and improved off-road capability. This comprehensive suspension upgrade allows for the use of larger 35-inch tires with proper aftermarket wheels and spacing and maintains excellent ride quality by preserving near-stock suspension geometry. It is ideal for enthusiasts seeking aggressive aesthetics without sacrificing handling and comfort.
Construction And Appearance. Crafted from durable steel components including heavy-duty cast knuckles, fabricated lift blocks, differential drop brackets, and laser-cut hardware, the kit ensures strength and longevity under rugged conditions. Precision engineering utilizing advanced CAD technology guarantees a perfect fit. Components are finished with protective coatings to resist corrosion, combining functionality with a tough, refined look.
Installation. Installation requires moderate mechanical skill, including minor cutting, drilling, and the use of a strut compressor. The complete process typically takes 8 to 10 hours, allowing for an efficient home installation with proper tools.
Warranty. This suspension kit is backed by a limited lifetime replacement warranty covering structural and workmanship defects, offering peace of mind with your upgrade.
Application. Specifically designed to fit the 2025-2026 GMC Sierra 1500 equipped with V8 engines and OEM monoleaf springs, this kit does not fit Denali or Denali Ultimate models due to their Adaptive Ride Control systems, nor AT4 or AT4X models equipped with factory lifts. It requires 20-inch or larger aftermarket wheels with 4.5-inch backspacing for proper installation and in some cases may require 0.25-inch wheel spacers.
Rough Country Suspension 26631_A
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (2) Shocks
- Lifted Knuckles
- Front Crossmember
- Rear Crossmember
- Differential Drop Brackets
- Differential Skid Plate
- Crossmember Skid Plate
- Sway-Bar Drop Brackets
- Fabricated Lift Blocks
- Brake Line Brackets
- U-Bolts
- Hardware
- Shocks
Tech Guides:
- Lift Kit vs Leveling Kit: Which Upgrade Is Right for Your Truck?
- How Much Lift Does My Truck Need? Picking the Right Lift Height
- Pros and Cons of Lifting Your Truck: What Every Owner Should Know
- Towing Suspension Upgrades: Suspension Components to Improve Towing Capability
- Lift Kits - How Adding Ground Clearance Makes Trucks More Capable Off-Road
- Do Lifted Trucks Use More Fuel? MPG Loss by Lift Height, Tire Size, and How to Save
- What Is Rake? How Leveling Your Truck Improves Appearance
- FAQ What Are The Best Suspension Systems? How Suspension Systems Work
- Off-Road Suspension 101: What To Know Before You Go
- Lift Kits vs. Leveling Kits: What’s the Difference?
- 8 Most Popular Rides to Upgrade Suspensions in 2021
- GMC Sierra 1500 Lift Kits Explained
4.7
Customer Reviews (31)
Questions & Answers
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Will It Fit My Sierra 1500
- 5.3L V8 - 25, 26
- 6.2L V8 - 25, 26
