Tuff Country 35125KN 5" Lift Kit with Radius Arm with SX8000 Shocks
Tuff Country
35125KN
Pairs well with
Expert Post-Purchase Assistance
Limited Lifetime Warranty
Made in the USA
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Tuff Country 35125KN 5" Lift Kit with Radius Arm with SX8000 Shocks
Product Details
Description
Upgrade your 2013–2018 Dodge Ram 3500 4WD with the Tuff Country 35125KN 5" Lift Kit with Radius Arm and SX8000 Shocks. This kit delivers a capable 5-inch front lift and 2-inch rear lift, engineered to maintain geometry while increasing ground clearance for serious off-road adventures.
- Lift Height: 5" front / 2" rear, balancing height with ride quality and control.
- Radius Arm Design: Tubular low-profile radius arms preserve factory geometry and reduce binding, improving ride feel with larger tires.
- Shocks Included: SX8000 shocks are included to match the lift and keep damping consistent across terrain.
- 37" Tire Ready: Designed to clear up to 37" x 13.5" tires with proper installation and alignment.
- Front End Geometry: Drop pitman arm and front & rear track bar relocation brackets help maintain alignment and steering accuracy after the lift.
- Rear Lift: 2" cast iron blocks with extended U-bolts for a stable, level rear stance.
- Installation & Hardware: Includes all necessary components for a complete, straightforward install.
- Made in the USA & Warranty: Proudly manufactured in the USA with a limited lifetime warranty for lasting confidence.
- Fitment & Notes: Specifically designed for 2013–2018 Ram 3500 4WD; excludes Power Wagon models and vehicles with factory air suspension. Factory length front shocks must be replaced or extended to install properly.
This lift kit is built by Tuff Country, a brand with over 35 years of suspension expertise. It combines durable components, precise geometry, and practical design choices to deliver a reliable, road-ready upgrade. Expect improved ground clearance for demanding trails, enhanced traction with larger tires, and a smoother, more controlled ride thanks to radius arms and purpose-built SX8000 shocks. The included drop pitman arm and track bar relocation brackets help preserve steering feel and alignment, making it a smarter, more confident upgrade for weekend warriors and daily drivers alike.
| Recommended Tire Size | 37" x 13.5" |
|---|---|
| Amount of Lift | 5" Front / 2" Rear |
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 2013-2018 | Dodge | Ram 3500 | 4WD | Will Not Fit Power Wagon Models. Will not fit with factory air ride 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.