Tuff Country 13720KN 3" Lift Kit with EZ-Ride Front Springs and Rear Blocks with SX8000 Shocks
Tuff Country
13720KN
Pairs well with
Expert Post-Purchase Assistance
Limited Lifetime Warranty
Made in the USA
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Tuff Country 13720KN 3" Lift Kit with EZ-Ride Front Springs and Rear Blocks with SX8000 Shocks
Product Details
Description
Take your classic GM 3/4-ton 4x4 to the next level with the Tuff Country 13720KN 3" Lift Kit. Specifically designed for 1973–1987 Chevy Suburban K2500/Truck K2500 and GMC Suburban K2500/Truck K2500 4WD, this kit delivers a balanced lift that enhances ground clearance while supporting a capable tire size up to 33" x 12.5".
- Lift Height: 3 inches of front and rear lift to improve clearance and stance on GM 4WD platforms.
- EZ-Ride Front Springs: Advanced leaf springs paired with Teflon pads to reduce noise and smooth out rough roads for a quieter ride.
- Rear Blocks: Stabilizing rear blocks maintain height and improve load handling with the added lift.
- SX8000 Shocks: Heavy-duty shocks engineered to complement the lift, delivering better damping on trails and streets.
- Complete Hardware: Includes essential brackets, U-bolts, and mounting components for straightforward installation.
- Tire Compatibility: Supports up to 33" x 12.5" tires to expand your off-road footprint without compromising ride quality.
- Installation Note: Factory front & rear shocks must be replaced with extended shocks to install properly.
- Warranty: Limited lifetime warranty on the EZ-Ride leaf springs and the kit, backing your investment with long-term reliability.
This lift kit is ideal for enthusiasts who want a confident, improved ride on a classic GM 4WD while safely accommodating larger tires. The EZ-Ride springs reduce road noise and vibration for everyday driving, and the SX8000 shocks provide controlled damping across varied terrains. With a typical 4–6 hour install window and comprehensive hardware, this kit supports better ground clearance, improved approach angles, and a more commanding on-road presence—without sacrificing everyday usability. Backed by Tuff Country’s decades of suspension know-how and a lifetime warranty, it’s a durable upgrade for weekend warriors and daily drivers alike.
| Important Installation Note | Factory front & rear shocks must be replaced with new extended shocks to install this lift kit properly. Please choose shocks & boots in the "Options" fields above if you have not already purchased extended shocks. |
|---|---|
| Warranty | Limited lifetime Warranty on leaf springs |
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 1973-1987 | Chevy | Suburban K2500 | 4WD | Will Not Fit Diesel Engine Models. Fits 3/4 Ton Models. |
| 1973-1987 | Chevy | Truck K2500 | 4WD | Will Not Fit Diesel Engine Models. Fits 3/4 Ton Models. |
| 1973-1987 | GMC | Suburban K2500 | 4WD | Will Not Fit Diesel Engine Models. Fits 3/4 Ton Models. |
| 1973-1987 | GMC | Truck K2500 | 4WD | Will Not Fit Diesel Engine Models. Fits 3/4 Ton Models. |
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.