Rough Country · Authorized Dealer
6 Inch Lift Kit | Mono Leaf Rear | N3 | Gmc Sierra 1500 2wd/4wd (2019-2024)
$1,399.95
Price does not include installation.
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$1,399.95
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🛠️ Install available in Marietta, GA
Installed and serviced at Road Runner Wheels & Tires — 1585 Roswell Rd, Marietta, GA 30062. Call (678) 400-6467 to schedule.
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Built for GMC Sierra 1500 owners who want an aggressive lifted stance with room for 35"–37" tires, this 6-inch lift kit raises and levels your truck while preserving factory track width and suspension geometry. Rough Country's bolt-on design requires no strut disassembly or differential trimming — just clean engineering that transforms your fifth-generation Sierra's street presence and trail-ready clearance.
Installed and serviced at Road Runner Wheels & Tires. Most lift kits go in the same day. Call (678) 400-6467 to schedule.
What's included
- Mono Leaf Rear Universal Kit Box — delivers the complete rear suspension architecture for a level, planted stance.
- 6" Front Driver and Passenger Knuckle Boxes — extreme-duty cast knuckles engineered for durability under harsh off-road loads.
- 6" Front Crossmember Box — high-clearance design that optimizes suspension geometry and off-road capability.
- Front Skid Plate — fabricated steel protection that reinforces chassis strength and underbody defense.
- 6" Front Kit Box — precision-cut, CNC laser-cut components assembled for a perfect fit.
- N3 Shock Pair — nitrogen-charged shocks tuned to complement the lift and deliver controlled ride quality on street and trail.
Important notes
- Does NOT fit 2019 "Classic" models (2018 body style), Denali, Denali Ultimate (Adaptive Ride Control equipped), AT4 (factory 2-inch lift), or AT4X (factory 2-inch lift with Multimatic DSSV dampers).
- Does NOT fit factory wheels — 20-inch or larger aftermarket wheels are required.
- Wheels must feature 4.5-inch backspacing. Some aftermarket wheels may require a 0.25" wheel spacer (SKU 1065).
- Please test fit wheels prior to installation.
- Requires cutting and drilling during installation.
- Rough Country's replacement strut options do NOT work on diesel models due to motor weight variances.
Why customers pick this at Road Runner
- Corrected geometry after install — caster and suspension angles dialed by our technicians in-house.
- Rough Country's Limited Lifetime Replacement Guarantee backed locally at Road Runner Wheels & Tires.
- Professionally installed by suspension techs who perform these lifts every week.
- Professional wheel alignment performed in-house as part of every lift installation.
- Factory track width preserved — your Sierra keeps its original handling feel without premature wear.
Ready to build it? Call (678) 400-6467. Hablamos Español.
| Qty | Part | Part # |
|---|---|---|
| 1 | Universal Kit Box | Mono Leaf Rear | Chevy Silverado 1500 (19-23) GMC Sierra 1500 (19-23) | 21630991 |
| 1 | 6in Kit Crossmember Box | Chevy Silverado 1500 (19-23) Chevy Suburban 1500 (2021) | 217BOX11 |
| 1 | FR Full Skid | Chevy Silverado 1500 (19-23) Chevy Suburban 1500 (2021) | 217BOX3 |
| 1 | 6in FR Kit Box | GMC Sierra 1500 (19-23) | 217BOX8 |
| 1 | N3 Shock Pair | 23158 |
| 1 | 6in Kit Dr Knuckle Box | Chevy Silverado 1500 (19-23) Chevy Suburban 1500 (2021) | 21730BOX5 |
| 1 | 6in Kit Ps Knuckle Box | Chevy Silverado 1500 (19-23) Chevy Suburban 1500 (2021) | 21730BOX6 |
Features
- Front-to-Rear Lift & Leveling: Raises and levels your vehicle for a clean, aggressive stance and improved ground clearance.
- High-Clearance Crossmember: Engineered for optimal suspension geometry and enhanced off-road capability.
- Extreme-Duty Cast Knuckles: Built tough for long-lasting durability under the harshest driving conditions.
- Maintains Factory Track Width: Preserves original handling characteristics and minimizes additional wear.
- No Strut Disassembly Required: Hassle-free installation with zero need to dismantle factory components.
- No Differential Trimming Needed: Clean bolt-on design saves time and keeps factory integrity intact.
- Laser-Cut Precision Materials: CAD-designed and CNC laser cut for a perfect fit and unmatched strength.
- Heavy-Duty Fabricated Blocks: Stronger and more durable than cast alternatives for long-term reliability.
- Fully Configurable with All Shock/Strut Options: Choose from our nitrogen-charged N3's to the premium Vertex reservoir for the perfect ride quality.
| Years | Make | Model | Drive |
|---|---|---|---|
| 2019-2021 | GMC | Sierra 1500 Base | 4WD |
| 2019-2021 | GMC | Sierra 1500 Base | RWD |
| 2019-2024 | GMC | Sierra 1500 Elevation | 4WD |
| 2019-2024 | GMC | Sierra 1500 Elevation | RWD |
| 2019-2024 | GMC | Sierra 1500 SLE | 4WD |
| 2019-2024 | GMC | Sierra 1500 SLE | RWD |
| 2019-2024 | GMC | Sierra 1500 SLT | 4WD |
| 2019-2024 | GMC | Sierra 1500 SLT | RWD |
| 2022-2024 | GMC | Sierra 1500 Pro | 4WD |
| 2022-2024 | GMC | Sierra 1500 Pro | RWD |
| 2022 | GMC | Sierra 1500 Limited Elevation | 4WD |
| 2022 | GMC | Sierra 1500 Limited Elevation | RWD |
| 2022 | GMC | Sierra 1500 Limited Pro | 4WD |
| 2022 | GMC | Sierra 1500 Limited Pro | RWD |
| 2022 | GMC | Sierra 1500 Limited SLE | 4WD |
| 2022 | GMC | Sierra 1500 Limited SLE | RWD |
| 2022 | GMC | Sierra 1500 Limited SLT | 4WD |
| 2022 | GMC | Sierra 1500 Limited SLT | RWD |
- Tire size: 35″ to 37″ tall
- Lift height: 6″
Requires cutting and drilling. Does NOT fit 2019 "Classic" models. (2018 body style) Does NOT fit Denali or Denali Ultimate models as they are equipped with Adaptive Ride Control as a standard package. Does NOT fit AT4 models as it is equipped with a 2-inch factory lift. Does NOT fit AT4X models as it is equipped with a 2-inch factory lift and Multimatic DSSV dampers. Due to variances in motor weight, Rough Country's replacement strut options do NOT work on diesel models. Tire & Wheel Details 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 SKU: 1065.
Rough Country Lifetime Replacement Warranty covers all structural components against defects in materials and workmanship for the original purchaser's lifetime ownership of the vehicle.
3-Year Finish Warranty on all painted and powder-coated surfaces.
3-Year Shock Warranty on N3, M1, and Vertex shocks against leakage and structural failure.
Warranty service is handled by Rough Country directly — call (678) 400-6467 if you need help opening a warranty claim and we'll walk you through it.
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