4 Inch Lift Kit | Chevy Silverado & Gmc Sierra 1500 4wd (1999-2006 & Classic)

Built for Chevy Silverado and GMC Sierra 1500 4WD owners who want more ground clearance and tire clearance without sacrificing ride quality, this 4-inch suspension lift kit delivers the aggressive stance and capability you're after. With optimized axle alignment and factory-like handling characteristics, you'll gain up to 33 inches of tire clearance while keeping your truck's driveline geometry in perfect order.

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

• N3 RR Kit Box — Rough Country's nitrogen-charged front and rear suspension components engineered for this platform.
• Kit Box — Complete suspension lift assembly with all structural and mounting hardware.
• NTD Crossmember Kit Box — Precision-engineered drop crossmember and differential drop brackets that keep components tucked away for a clean look.
• Driver & Passenger Knuckles — Lifted front knuckles that work with 5-inch rear blocks to enable larger tire fitment.
• CV Spacers, Sway-Bar Links, and Protective Skid Plate — Additional components ensuring a complete, ready-to-install package with minimal additional purchases.

Important notes

• Frame bracket and differential modification required — not a bolt-on kit.
• Models equipped with factory-painted bumpers will require trimming to the valance and bumper.
• Does NOT fit 1999 old body style (OBS) models — confirm your truck's body generation before ordering.
• If equipped with factory 17" wheels and purchasing new wheels, the new wheels must be 17" or larger.
• A torsion bar removal tool (part 1067) is recommended for ease of installation.
• Factory-mounted torsion bars are retained — no drivetrain or exhaust modifications required.
• Fully compatible with Auto Trac systems.

Why customers pick this at Road Runner

• Corrected axle alignment after install — your driveline stays in factory position and angle, reducing wear and improving longevity.
• Rough Country lifetime warranty backed locally by our team.
• Professionally installed by suspension technicians who perform these kits every week.
• Alignment performed in-house as part of your lift install — no separate shop visit needed.
• Customizable shock options — choose N3, V2 Monotube, or M1 Monotube to match your ride preferences.

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