Tuff Country 36003KN 6" Standard Lift Kit with Coil Spring Spacers and Rear Blocks That Fit Both 3.5Ó & 4Ó Rear Axle Tube with SX8000 Shocks
Tuff Country
36003KN
Pairs well with
Expert Post-Purchase Assistance
Limited Lifetime Warranty
Made in the USA
Free Shipping on Orders over $150
Tuff Country 36003KN 6" Standard Lift Kit with Coil Spring Spacers and Rear Blocks That Fit Both 3.5Ó & 4Ó Rear Axle Tube with SX8000 Shocks
Product Details
Description
Upgrade your Dodge Ram 2500/3500 4WD with the Tuff Country 36003KN 6-Inch Lift Kit. This bolt-on suspension upgrade uses coil spacers, rear blocks, and SX8000 shocks to deliver substantial ground clearance while preserving a confident, factory-like ride.
- Lift height: 6 inches in the front and 4 inches in the rear (rear drop) for a balanced, commanding stance
- Shocks included: SX8000 shocks are included for improved damping and off-road comfort
- All-in-one kit: Upper and lower control arms are included to maintain proper alignment
- Coil tower brackets: Upper coil spring tower brackets help retain a factory-like ride
- Rear lift components: 4" cast iron rear lift blocks with hardware to elevate the rear axle
- Track bar bracket: New track bar bracket included to preserve steering geometry
- Pitman arm included: Pitman arm included for correct steering linkage alignment
- Finish: Powder-coated components resist corrosion and wear
- Installation: Bolt-on installation designed for straightforward mounting with basic shop tools
- Tire compatibility: Allows use of 37" x 12.5" tires for aggressive off-road looks and capability
- Warranty: Backed by Tuff Country’s Limited Lifetime Warranty for long-term confidence
- Fitment notes: Designed for 2003–2007 Dodge Ram 2500/3500 4WD; will not fit Off-Roadster models
- Driveshaft note: Vehicles with 2-piece rear drive shafts may require carrier bearing drop bracket 20824D
With this kit, you gain enhanced ground clearance to tackle rugged trails, while upgraded control arms and brackets help maintain proper alignment and steering feel. The included SX8000 shocks provide capable damping across varied terrain, and the 37" tire compatibility lets you maximize traction without sacrificing ride quality. Built to endure, the system’s powder-coated finish and lifetime warranty reflect Tuff Country’s commitment to durability and value for Ram owners who demand performance without compromise.
| Recommended Tire Size | 37" x 12.5" |
|---|---|
| Amount of Lift | 6" Front / 4" Rear |
| Drop Pitman Arm | Included |
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 2003-2007 | Dodge | Ram 2500 | 4WD | Will not fit Off-Roadster Models (they come equipped with a factory lift). Ends June 2007 |
| 2003-2007 | Dodge | Ram 3500 | 4WD | Will not fit Off-Roadster Models (they come equipped with a factory lift). Ends June 2007 |
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.
-
Shipping Information
Use this text to answer questions in as much detail as possible for your customers.
-
Customer Support
Use this text to answer questions in as much detail as possible for your customers.
-
FAQ’s
Use this text to answer questions in as much detail as possible for your customers.
-
Contact Us
Use this text to answer questions in as much detail as possible for your customers.
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.