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Rough Country 6in Lift Kit | 27220A | 1999-2007 Chevy Silverado / GMC Sierra 1500 4WD
Rough Country
Please Note:
- Frame bracket and differential modification required for this part.
- Models equipped with factory-painted bumpers will require trimming to the valance and bumper.
- This part does NOT fit 1999 old body style (OBS) models.
- If equipped with factory 17" wheels and purchasing new wheels, the new wheels must be 17" or larger.
- For ease of installation, a Torsion Bar Unloading Tool is recommended.
Description
Rough Country's 6" NTD Suspension Lift Kit for 1999-2006 Chevy/GMC 1500 pickups delivers aggressive lift performance without compromising comfort or drivability. This high-clearance kit offers unmatched ground clearance for tackling tough terrain and clears 35" tires with ease. Thanks to its factory torsion bar placement, the kit maintains OEM alignment and geometry preserving your truck's factory ride and handling feel while eliminating the nose-down stance.
Designed with innovation in mind, this kit includes heavy-duty steel knuckles, precision-engineered differential brackets, and OEM axle geometry retention to minimize wear on critical components. The upgraded fabricated lift blocks are stronger than cast blocks and feature an anti-axle wrap design, improving rear stability under load or acceleration. Plus, factory travel stops are reused, ensuring consistent suspension performance on and off the road.
The kit's non-torsion bar drop brackets keep the torsion bars tucked high and protected, while the Autotrac-compatible design ensures seamless fitment for 4WD models with electronic transfer cases. It's a 100% bolt-on system no cutting, no drivetrain changes, no exhaust relocation required for a clean install with long-term reliability. Choose your ride quality with configurable shock options, including our nitrogen-charged N3, V2 Monotube, or M1 Monotube shocks for tailored performance.
With simplified installation and redesigned components, this kit cuts down the install time and complexity. Basic cutting and drilling are minimal, and installation can be completed in 8-10 hours with standard tools. Whether in your garage or by a professional, getting your truck lifted has never been easier.
Rough Country backs this lift kit with our Limited Lifetime Replacement Warranty, protecting against defects in materials and workmanship. Trust in our rugged engineering and enjoy the road ahead with confidence.
Features:
- Factory Torsion Bar Placement: Torsion bars remain in the factory location, preserving OEM alignment and geometry.
- Simplified Installation: Redesigned components make the install process quicker and easier with minimal modifications.
- Smooth Factory Ride: Maintains your vehicle's original ride quality for everyday comfort on and off the road.
- Autotrac Compatible: Fully compatible with models equipped with Autotrac for expanded vehicle coverage.
- Unmatched Ground Clearance: Elevates your ride to conquer rough terrain and obstacles with ease.
- OEM Axle Geometry Retained: Keeps axles in their factory position and angle to avoid premature wear or drivetrain strain.
- No Modifications Needed: Installs without the need for drivetrain or exhaust adjustments.
- Factory Travel Stops Reused: Designed to reuse the original compression travel stops for consistent suspension performance.
- Upgraded Fabricated Lift Block: Replaces the factory block with a high-strength fabricated upgrade for improved durability.
- Stronger Than Cast Blocks: Fabricated steel construction offers greater strength and longevity compared to cast alternatives.
- Anti-Axle Wrap Design: Specially engineered rear blocks reduce axle wrap while maintaining a comfortable, factory-like ride.
- Configurable Shock Options: Choose from our nitrogen-charged N3, V2 Monotube, or M1 Monotube shocks the power to customize your ride is in your hands!
Includes:
- Front:
- Lifted Knuckles
- Front Crossmember
- Rear Crossmember
- Non-Torsion Bar Drop Brackets
- Differential Drop Brackets
- Sway-Bar Links
- CV Spacers
- Skid Plate
- Hardware
- Rear:
- 6.25in Fabricated Lift Blocks
- U-Bolts
- Hardware
- Shocks:
- Premium N3 Shock Absorbers (x 4)
Options:
| Premium N3 | M1 Monotube | V2 Monotube |
|---|---|---|
|
|
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Fitment:
- CHEVY SILVERADO 1500 HD, 2001-2006
- CHEVY SILVERADO 2500, 1999-2004
- GMC SIERRA 1500 HD, 2001-2006
- GMC SIERRA 2500, 1999-2004
Videos
Product Highlights:
Details
- 27220A
- 27220A
- Rough Country
- New
Categories
- Suspension & Steering Boxes - Coilover & Suspension Kits - 4.5"- 8" Lift Kits
- Steering & Suspension | 1983-2000 GM Diesel 6.2L & 6.5L - Suspension Lift Kits | 1983-2000 GM Diesel 6.2L & 6.5L - 4.5" - 8" Lift | 1983-2000 GM Diesel 6.2 & 6.5L
- Steering & Suspension | 2001-2004 Chevy / GMC Duramax LB7 6.6L - Suspension Lift Kits | 2001-2004 Chevy / GMC Duramax LB7 6.6L - 4.5" - 8" Lift | 2001-2004 Chevy / GMC Duramax LB7 6.6L
Shipping Information
- Item Requires Shipping
- 31.0 lbs.
- Free Shipping
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- Email UsGet answers from the pros
- 1-844-487-2787Mon-Fri 9am-6pm EST

