6 Inch Lift Kit |Mono Leaf Rear | N3 Struts | Gmc Sierra 1500 2wd (2025-2026)

Built for GMC Sierra 1500 2WD owners who want commanding height and uncompromised geometry, this 6-inch suspension lift kit combines steel knuckles and drop crossmembers to preserve factory suspension angles while gaining serious clearance. Run 35"–37" tires and turn heads with aggressive new stance — all while keeping your truck's handling predictable.

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

• Universal Kit Box — Mono Leaf Rear — Core lift assembly for 2025+ Sierra 1500 2WD with rear block geometry and u-bolt mounting hardware.
• 6-Inch Driver Knuckle Box — Laser-cut steel knuckle assembly reduces control arm angles to simulate factory geometry on the driver side.
• 6-Inch Passenger Knuckle Box — Matching passenger-side knuckle for balanced suspension alignment and load handling.
• 6-Inch Crossmember Box — Drop crossmember design maintains ideal suspension geometry and control arm angles throughout the lift range.
• Front Skid Plate — Heavy-duty fabricated protection for undercarriage components during off-road use.
• N3 Shock Pair — Nitrogen-charged rear shocks tuned for the 6-inch lift height, delivering consistent damping and ride quality.
• Loaded Strut Pair with Spacers — Pre-assembled front struts with upper spacers offering uncompromised strength and rigidity for lift height without geometry compromise.

Important notes

• Does NOT fit Denali models equipped with Adaptive Ride Control.
• Requires cutting and drilling during installation.
• Does NOT fit factory wheels — 20-inch or larger aftermarket wheels are required.
• Wheels must feature 4.5-inch backspacing to fit properly. Please test-fit wheels prior to installation.
• Some aftermarket wheels may require a 0.25-inch wheel spacer (part #1065).

Why customers pick this at Road Runner

• Geometry-correct lift — steel knuckles and drop crossmembers preserve factory suspension angles, not just stack height.
• Lifetime warranty backed locally — Rough Country's limited lifetime replacement warranty on structural and workmanship defects, honored right here.
• Professional installation by suspension specialists — our techs install these kits every week and know every cutting point and torque spec.
• In-house alignment after every lift install — we correct caster and camber as part of the service, included with your kit.

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