6 Inch Lift Kit | M1 | Chevy Silverado & Gmc Sierra 2500hd 4wd (2001-2010)

Built for Chevy Silverado and GMC Sierra 2500HD owners who want commanding lift without sacrificing ride quality — this 6-inch suspension lift kit delivers the perfect balance of height, handling, and rugged capability. Run up to 35-inch tires and enjoy increased ground clearance while maintaining the factory-quality ride that made your truck a workhorse.

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

• 6-inch driver and passenger knuckles — one-piece cast knuckles CNC-machined for superior strength and alignment precision.
• Heavy-duty laser-cut front and rear crossmembers — engineered for maximum strength while preserving ground clearance and protecting vital undercarriage components.
• Differential and torsion bar drop brackets — maintain proper driveline geometry and angles for a stable, smooth ride across any terrain.
• M1 Monotube shock pair (front and rear) — expertly valved for control and comfort, delivering responsive handling both on and off the road.
• Front CV spacers and sway-bar links — ensure reliable performance and long-lasting strength under demanding conditions.
• High-clearance protective skid plate — shields vital components without reducing ground clearance.

Important notes

• Requires minor modification to the front differential.
• If equipped with factory 17-inch wheels and purchasing new wheels — the new wheels must be 17-inch or larger.
• Use of a 35x12.50 tire may require modification to the front valance.
• If equipped with a gas engine, an exhaust reroute modification may be needed for front driveshaft clearance.
• Torsion bar unloading tool required for installation.

Why customers pick this at Road Runner

• Precision geometry correction — differential and torsion bar drop brackets preserve proper driveline angles and handling after install.
• Backed by Rough Country's Limited Lifetime Replacement Warranty and installed by experienced technicians who do these lifts every week.
• Professional alignment performed in-house as part of every lift install — no separate trip needed.
• CNC-machined knuckles and laser-cut crossmembers deliver strength and durability without the guesswork.

Ready to build it? Call (678) 400-6467. Hablamos Español.