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SKU: 13085 / UPC: 698815130854
Tuff Country 3.5 Inch Lift Kit for 2011-2019 GMC Sierra 2500HD 2WD and 4x4
Lift your 2011-2019 GMC Sierra 2500HD's capability on and off the road with the Tuff Country 3.5 inch lift kit, designed specifically for 2WD and 4x4 models without factory contact overloads. This suspension lift kit raises your truck's stance for greater ground clearance and larger tire fitment, while preserving the factory ride and alignment geometry for dependable daily driving and trail performance. Truck owners choose this kit for its straightforward bolt-on design and components built to handle heavy-duty demands over extended use.
Precise Vehicle Fitment
This lift kit fits the following:
- Year Range: 2011-2019
- Make: GMC
- Model: Sierra 2500HD
- Drive Type: 2WD and 4x4
- Exclusions: Models with factory contact overloads
It installs directly on stock suspension setups, requiring no modifications to the frame or drilling.
What's Included in Your Purchase
Every kit arrives complete with all necessary parts for a full installation. Here's the breakdown:
- Replacement Torsion Bars: Reindex the factory torsion bars to achieve the 3.5 inch front lift without cranking.
- New Upper Control Arms: Maintain proper front-end geometry and ball joint alignment includes PTFE-lined FK Uni-ball joints for smooth articulation.
- 1-Inch Rear Lift Blocks: Cast iron blocks mount below the leaf springs to level the rear.
- Extended U-Bolts: Square-style u-bolts secure the axle and blocks.
- Front Shock Relocation Brackets: Reposition stock shocks to work with the lifted height no new shocks needed.
- Hardware Kit: All bolts, nuts, washers, and bushings required for assembly.
Main Part Number: 13085
No additional sub-part numbers are listed, as this is a complete box kit.
Key Specifications and Performance Details
- Lift Height: 3.5 inches front and rear
- Recommended Tire Size: Up to 33" x 12.5" without trimming; 35" x 11.5" with minor fender trimming
- Recommended Wheel Backspacing: 5.5 inches or less (new rims may be required for optimal clearance)
- Average Installation Time: 4 to 6 hours with basic tools; bolt-on process with no cutting or welding
- Part Weight: 58 pounds
- Shipping Box Dimensions: 21 inches (L) x 14 inches (W) x 22 inches (H)
This setup delivers improved approach and departure angles for off-road obstacles, stable handling under load, and compatibility with stock components for long-term reliability. Backed by a limited lifetime warranty, it stands as the go-to option for GMC Sierra 2500HD owners wanting a balanced lift that performs consistently across varied terrain.
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