Tuff Country 13086KN 3.5" Uni-Ball Lift Kit SX8000 Shocks
Tuff Country
13086KN
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Made in the USA
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Tuff Country 13086KN 3.5" Uni-Ball Lift Kit SX8000 Shocks
Product Details
Description
The Tuff Country 13086KN 3.5" Uni-Ball Lift Kit with SX8000 shocks is a bolt-on suspension upgrade designed for 2011–2019 GM heavy-duty pickups. Built for Chevy Silverado 2500HD/3500 4WD and GMC Sierra 2500HD/3500 4WD, it increases ground clearance and tire compatibility while preserving solid factory geometry for everyday driving and capable off-road use.
- Lift height: Approximately 3.5 inches of front lift to improve ground clearance and improve stance.
- Uni-Ball upper control arms: Heavy‑duty tubular arms paired with uni-ball joints for enhanced travel and durability.
- FK uni-ball joints: Teflon‑lined joints deliver smooth articulation and reduced binding under load and flex.
- Shocks included: SX8000 shocks are included to match the lift and maintain controlled damping on- and off-road.
- Rear lift components: Cast iron lift blocks designed to maintain alignment and durability with a powder-coated finish for longevity.
- Installation: Simple bolt‑on process with no cutting or welding required.
- Factory shock compatibility: Factory shocks can be reused if desired, helping simplify installation.
- Tire clearance: Designed to fit up to 35" tires with minor trimming; recommended sizes include 33" x 12.5" or 35" x 11.5" with trimming.
- Rim and backspacing guidance: Works with rims/backspace generally 5" or less for best fit with wider tires.
- Build quality: Powder-coated components for corrosion resistance and long-lasting durability.
- Made in the USA: Proudly manufactured in the United States.
- Warranty: Backed by a limited lifetime warranty for ongoing peace of mind.
- Fitment note: Will not fit dually models; specifically designed for 2011–2019 Silverado 2500HD/3500 and Sierra 2500HD/3500 4WD.
This lift kit is ideal for drivers seeking meaningful front-end elevation to run larger tires, improved traction off-road, and enhanced vehicle stance without sacrificing driveability on daily commutes. The uni-ball articulation helps maintain wheel contact on uneven terrain, while the included shocks and durable components deliver a balanced, controlled ride. With a straightforward bolt-on installation and a robust warranty, it’s a practical upgrade for heavy-duty GM trucks that see work, towing, or weekend trail use.
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 2011-2019 | Chevy | Silverado 2500HD | 4WD | |
| 2011-2019 | Chevy | Silverado 3500 | 4WD | |
| 2011-2019 | GMC | Sierra 2500HD | 4WD | Will not fit dually model |
| 2011-2019 | GMC | Sierra 3500 | 4WD | Will not fit dually model |
Specifications:
Packaging Details
FAQs
Please read our FAQs page to find out more.
Will this part fit my vehicle?
Fitment varies by year, make, model, drivetrain, and lift height. Always use the vehicle fitment selector or refer to the fitment notes on the product page before purchasing. If you’re unsure, our team can help confirm compatibility.
Are Tuff Country products street legal?
Most Tuff Country products are designed for on-road and off-road use, but local laws and regulations vary by state and country. It is the customer’s responsibility to ensure compliance with local vehicle regulations after installation.
Is professional installation required?
Professional installation is recommended but not required. Many products can be installed by experienced DIYers with proper tools. However, improper installation can affect ride quality, safety, and warranty coverage.
Will this affect my ride quality?
Tuff Country products are engineered to balance ride comfort, performance, and durability. Ride quality can change depending on lift height, vehicle setup, tire size, and other suspension components.
Are Tuff Country products covered by a warranty?
Yes. Tuff Country products are backed by a manufacturer warranty that covers defects in materials and workmanship. Warranty terms vary by product type and do not cover damage caused by misuse, improper installation, or normal wear.
Can I run larger tires with this product?
Many Tuff Country lift kits and suspension components allow for larger tire sizes, but maximum tire clearance depends on wheel offset, tire width, and vehicle configuration. Refer to the product details or contact support for guidance.
What is the return policy?
Unused, uninstalled products may be eligible for return within the stated return window. Items must be in new condition and returned in original packaging. Shipping costs and restocking fees may apply.
Who can I contact if I have questions?
Our customer support team is available to help with fitment questions, installation guidance, and order support. Reach out before purchasing if you want to ensure you’re selecting the right part for your build.
Free shipping on Orders Over $75
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Selling Suspension Systems for 35+ Years
Tuff Country EZ-Ride Suspension was incorporated over 35 years ago, realizing the desperate need for quality suspension products in the after market world.