Raise your GMC Sierra 2500HD with confidence using the Tuff Country 13085 3.5" Lift Kit. This bolt-on suspension system adds front lift while keeping factory shock compatibility, delivering an enhanced stance and proven durability for off-road adventures.
- Lift Height: 3.5" front / 1" rear lift to level the stance and expand off-road capability.
- Heavy‑duty Upper Control Arms: tubular arms with reinforced eyelets to maintain factory geometry and long-term durability.
- Front Shock Relocation Bracket Included: front shock relocation hardware plus extenders to preserve ride characteristics with stock shocks.
- Cast Iron Lift Blocks: precisely engineered blocks designed specifically for the Sierra 2500HD for reliable support.
- Rear Suspension Hardware: rear blocks and U-bolts with all necessary mounting components for a complete install.
- Shocks Included: none included in this kit; factory shocks can be reused if desired.
- Bolt‑on Installation: designed for straightforward installation with no cutting or welding required.
- Made in the USA: proudly manufactured in the United States with attention to build quality.
- Warranty: backed by a limited lifetime warranty for lasting peace of mind.
- Fitment Notes: compatible with 2011–2018 GMC Sierra 2500HD 4WD, 2011–2018 GMC Sierra 3500 4WD, and 2011–2019 Silverado 3500 4WD; not for dual rear wheel (dually) models.
- Tire & Wheel Guidance: provides additional clearance for up to 35" tires with minor trimming; 33" x 12.5" or 35" x 11.5" tires are recommended with 5.5" or less backspacing for best results.
Benefits: This lift kit unlocks serious off-road capability without sacrificing daily-drive comfort. It adds the ground clearance to tackle rough terrain, improves approach and departure angles, and allows larger tires with modest trimming. The reinforced upper control arms preserve alignment geometry, helping you maintain predictable handling and tire wear. With bolt-on install and factory-shock compatibility, you can upgrade your Sierra 2500HD’s stance and capability while relying on the proven Tuff Country heritage and a lifetime warranty for lasting value.
