7 Inch Lift Kit | Torsion Drop | Chevy/gmc 2500hd/3500hd (20-26)

Built for Chevy and GMC 2500HD/3500HD owners who want a premium lifted stance with factory-feeling ride quality, Rough Country's 7-inch Torsion Drop Lift Kit delivers serious ground clearance while preserving your truck's original geometry and handling characteristics. This kit lets you run 37"–40" tires with confidence, all without widening your track width or compromising the driveline alignment that keeps your Silverado or Sierra reliable.

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

• Driver and passenger knuckles — Heavy-duty replacements that maintain your factory axle position and angle for proper drivetrain geometry.
• Crossmember box — 1/4" thick laser-cut steel front and rear cross members, powder-coated for durability and corrosion resistance.
• 7-inch torsion bar drop kit boxes — Fabricated lift blocks and 1/4" thick torsion drop brackets designed to deliver the signature torsion-drop stance without widening your track width.
• N3 shock pair (front and rear) — Nitrogen-charged shocks tuned to complement the lift and maintain a smooth, comfortable ride similar to stock.
• Full sway bar links, brake line relocation brackets, and skid plate — All hardware, fasteners, and protective components needed for a complete, bolt-on installation.

Important notes

• Does NOT fit dually models.
• Does NOT fit vehicles equipped with rear overload springs.
• Does NOT fit AT4X models (equipped with 1.5-inch factory lift and Multimatic DSSV dampers).
• Does NOT fit ZR2 models (equipped with 1.5-inch factory lift and Multimatic DSSV dampers).
• Gas models may require modification to the exhaust for driveshaft clearance.
• No drilling or modifying of the differential is required; however, minor cutting and drilling of the frame are part of standard installation.

Why customers pick this at Road Runner

• Factory geometry preserved — Your axles stay in their original position and angle, so drivetrain alignment and reliability are never compromised.
• Track width maintained — No widening of your stance means corner-carving handling that feels factory-tuned, not stretched.
• Rough Country lifetime warranty backed locally — We stand behind every kit with full warranty support and in-house service for peace of mind.
• Professional alignment performed in-house — Every lift install includes a four-wheel alignment to ensure tire wear and handling are optimized.
• Same-day installation by experienced technicians — Our crew installs these kits every week; your truck is in and out quickly.

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