


Tuff Country 14066 4" Uni-Ball Lift Kit Upper Control Arm Kit with Rear Blocks & U-Bolts No Shocks
Tuff Country
14066
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Made in the USA
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Tuff Country 14066 4" Uni-Ball Lift Kit Upper Control Arm Kit with Rear Blocks & U-Bolts No Shocks
Product Details
Description
The Tuff Country 14066 4" Uni-Ball Lift Kit is a complete suspension upgrade designed for 2007–2013 Chevy Silverado 1500 4WD and 2007–2013 GMC Sierra 1500 4WD. It delivers a confident, level stance and the ability to fit larger tires, all while keeping installation practical and affordable.
- Lift configuration: 4" front lift and 2" rear lift to achieve a balanced, near-factory feel with enhanced ground clearance.
- Uni-Ball upper control arms: Drop/strut spacer design for improved articulation and smoother, more predictable steering during off-road use.
- Compatibility: Custom-fit for 2007–2013 Silverado 1500 4WD and 2007–2013 GMC Sierra 1500 4WD. Not compatible with Magnetic Ride Control or Air Suspension.
- Rim backspacing: Requires new rims with 4.5" backspacing or less to ensure proper fitment and tire clearance.
- Shocks: No shocks are included; extended shocks are not required for installation.
- Rear hardware: Includes rear blocks and U-bolts to secure the rear axle and maintain proper geometry.
- Drill-free installation: No drilling is required, helping simplify the upgrade process.
- Build & origin: High-quality components made in the USA for durability and long-lasting performance.
- Warranty: Backed by a limited lifetime warranty for ongoing peace of mind.
With this lift kit, you can confidently fit up to 33" x 12.5" tires, achieving a bold, lifted appearance without sacrificing ride quality. It’s ideal for daily drivers who want enhanced ground clearance for light off-road use, improved stance for a more aggressive look, and the ability to run larger tires on a reliable, engineered system. The kit includes all necessary brackets, plates, and hardware, plus clear installation notes to help you complete the swap efficiently. Trust in Tuff Country’s 25+ years of suspension expertise and the promise of a durable, USA-made product with a limited lifetime warranty.
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 2007-2013 | Chevy | Silverado 1500 | 4WD | with One Piece OE Cast Steel Upper Arms. Will not fit with Magnetic Ride Control or Air Suspension. |
| 2007-2013 | GMC | Sierra 1500 | 4WD | Requires new rims with 4.5” backspacing or less. Will not fit with Magnetic Ride Control or Air Suspension |
Specifications:
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.

