Tuff Country 13731KN 3" Lift Kit with EZ-Ride Front Springs & 52" Rear Springs with SX8000 Shocks
Tuff Country
13731KN
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Tuff Country 13731KN 3" Lift Kit with EZ-Ride Front Springs & 52" Rear Springs with SX8000 Shocks
Product Details
Description
The Tuff Country 13731KN 3" Lift Kit with EZ-Ride front springs and 52" rear springs, paired with SX8000 shocks, is a purpose-built suspension upgrade designed for 1988–1991 GM 4WD trucks seeking a balanced lift, bigger tire compatibility, and a smoother ride.
- Lift height: 3 inches
- EZ-Ride front springs: engineered for a lifted, stable ride with teflon pads to eliminate noise and squeaking
- Rear springs: 52" leaf springs to maintain load capacity and ride balance
- Shocks: SX8000 shocks included for improved damping and control
- Vehicle compatibility: fits 1988–1991 Chevy Blazer/Suburban K1500 4WD and 1988–1991 GMC Jimmy/Suburban 4WD; not for diesel engines; supports 1/2-ton models
- Installation time: typically 4–6 hours
- Tire clearance: supports use of 33" x 12.5" tires
- Warranty: limited lifetime warranty on leaf springs
With its proven EZ-Ride technology, this kit delivers a confident, lifted stance without compromising ride quality. The teflon pads reduce noise and wear, while the generous 3-inch lift opens up space for larger tires and improved ground clearance. The included SX8000 shocks provide predictable handling and better damping, so daily driving stays comfortable even off-road. The 52" rear springs help maintain alignment and load stability across terrain, making this kit a practical upgrade for weekend adventures or heavier use. Backed by Tuff Country’s 35+ years of suspension expertise and a limited lifetime warranty on the leaf springs, this kit offers a reliable, value-focused path to a capable, better-looking GM 4WD.
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 1988-1991 | Chevy | Blazer | 4WD | Will Not Fit Diesel Engine Models |
| 1988-1991 | Chevy | Suburban K1500 | 4WD | Will Not Fit Diesel Engine Models. Fits 1/2 Ton Models. |
| 1988-1991 | GMC | Jimmy | 4WD | Will Not Fit Diesel Engine Models |
| 1988-1991 | GMC | Suburban K1500 | 4WD | Will Not Fit Diesel Engine Models. Fits 1/2 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.