Tuff Country 14166KN 4" Uni-Ball Lift Kit with Upper Control Arms with SX8000 Shocks
Tuff Country
14166KN
Pairs well with
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Limited Lifetime Warranty
Made in the USA
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Tuff Country 14166KN 4" Uni-Ball Lift Kit with Upper Control Arms with SX8000 Shocks
Product Details
Description
Upgrade your GM 1500 4WD with confidence using the Tuff Country 14166KN 4" Uni-Ball Lift Kit with Upper Control Arms and SX8000 Shocks. This complete suspension solution is designed for 2014–2018 Suburban 1500, Tahoe 1500, Yukon/Yukon XL 1500 models, delivering a balanced 4-inch front lift and 2-inch rear lift for a capable, road-ready stance.
- Lift Height: 4" front / 2" rear to maintain a proportionate, level look and improve ground clearance.
- Uni-Ball Upper Control Arms: Precision-designed arms that enhance geometry, articulation, and durability for off-road and daily driving.
- Shocks Included: SX8000 shocks are included, providing improved damping and a smoother ride compared to stock setup.
- Strut Spacer & Control Arm Drop Kit: Drop-in components to preserve alignment and ride quality without extensive fabrication.
- Rear Coil Spacers: Simple spacer solution to lift the rear without altering ride feel or traction.
- Road-Hand in Mind: No drilling required to install, with a design that keeps factory drivability and handling intact.
- Rim Backspacing & Tire Fit: Requires rims with 4.5" backspacing and allows 33" x 12.5" tires for a bold look and increased traction.
- Compatibility Notes: Not compatible with Magnetic Ride Control or factory air suspension; factory rims will not fit—verify your wheel setup before upgrading.
- Made in the USA: Built with American manufacturing standards and backed by a limited lifetime warranty for lasting peace of mind.
- Brand & Experience: Tuff Country brings over 35 years of suspension expertise to delivering value, reliability, and performance.
This lift kit is designed for 2014–2018 GM 1500 4WD vehicles, including Suburban, Tahoe, and Yukon families, with aluminum OE arms or stamped two-piece steel OE arms. It enables confident off-road exploration while preserving a near-factory ride quality on daily commutes. The kit’s comprehensive hardware and upper control arm design help you achieve a robust stance, improved wheel travel, and the ability to run larger, more capable tires—without sacrificing everyday usability or reliability.
| Recommended Tire Size | 33" x 12.5" |
|---|---|
| Amount of Lift | 4" Front / 2" Rear |
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 2014-2018 | Chevy | Suburban 1500 | 4WD | with Aluminum OE Arms Or Stamped Two Piece Steel OE Arms. Will not fit with Magnetic Ride Control or Air Suspension |
| 2014-2018 | Chevy | Tahoe | 4WD | with Aluminum OE Arms Or Stamped Two Piece Steel OE Arms. Will not fit with Magnetic Ride Control or Air Suspension |
| 2014-2018 | GMC | Yukon 1500 | 4WD | with Aluminum OE Arms Or Stamped Two Piece Steel OE Arms. Will not fit with Magnetic Ride Control or Air Suspension. |
| 2014-2018 | GMC | Yukon XL 1500 | 4WD | with Aluminum OE Arms Or Stamped Two Piece Steel OE Arms. Will not fit with Magnetic Ride Control or Air Suspension. |
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.