



Tuff Country 36221KN 6" Long Arm Lift Kit with Coil Springs and Rear Blocks That Fit Both 3.5Ó & 4Ó Rear Axle Tube with SX8000 Shocks
Tuff Country
36221KN
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Tuff Country 36221KN 6" Long Arm Lift Kit with Coil Springs and Rear Blocks That Fit Both 3.5Ó & 4Ó Rear Axle Tube with SX8000 Shocks
Product Details
Description
The Tuff Country 36221KN 6" Long Arm Lift Kit with SX8000 Shocks is a complete, bolt-on suspension upgrade designed for 2007–2008 Dodge Ram 2500 and 3500 4WD models. Built to deliver higher ground clearance, improved off-road articulation, and dependable performance, it’s the practical choice for Ram owners who want to enhance capability without a complicated install.
- Lift Height: 6" front lift with a 4" rear drop, maximizing ground clearance while maintaining controlled axle geometry.
- Axle Tube Compatibility: Fits rear axle tubes of 3.5" and 4", giving versatility across build variants.
- Long-Arm Suspension: Enhanced articulation and responsive handling for rough terrain and challenging trails.
- SX8000 Shocks Included: Nitro gas shocks included for consistent damping and improved ride quality both on and off the road.
- 37" Tire Compatibility: Designed to accommodate up to 37" x 12.5" tires for aggressive off-road stance and traction.
- Greaseable & Rebuildable Joints: Reduces suspension binding and extends life with easy serviceability.
- Complete Installation Kit: Includes pitman arm and track bar relocating bracket for proper steering geometry and alignment.
- Rear Blocks Included: Rear setup uses blocks to achieve the specified drop while maintaining stability.
- Warranty: Backed by a limited lifetime warranty for long-term peace of mind.
- Compatibility Notes: Fits 2007–2008 Ram 2500/3500 4WD; not compatible with certain Off-Roadster models equipped with factory lifts; carriers may require carrier bearing drop (#20824D) for 2-piece rear driveshafts.
This kit is tailored for Ram owners who want a dependable, value-driven upgrade that improves ride quality, reduces bump steer, and opens up room for bigger tires. The bolt-on design keeps installation straightforward, while the included SX8000 shocks and greaseable joints deliver a durable, serviceable solution that improves daily driving comfort and off-road confidence. Whether you’re tackling rocky trails, desert sands, or simply chasing a more commanding highway presence, this 6" long-arm kit helps you get there with purpose and reliability.
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 2007-2008 | Dodge | Ram 2500 | 4WD | July And Up - Will not fit Off-Roadster Models (they come equipped with a factory lift). |
| 2007-2008 | Dodge | Ram 3500 | 4WD | July And Up - Will not fit Off-Roadster Models (they come equipped with a factory lift). |
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.

