




Tuff Country 55902KH 4.5" Lift Kit Non-Knuckle Design with Rear Blocks & U-Bolts with SX6000 Shocks
Tuff Country
55902KH
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Tuff Country 55902KH 4.5" Lift Kit Non-Knuckle Design with Rear Blocks & U-Bolts with SX6000 Shocks
Product Details
Description
Upgrade your 2005–2006 Toyota Tundra 2WD/4WD with the Tuff Country 55902KH 4.5-inch lift kit. Designed to be simple and affordable, this non-knuckle design uses rear blocks, U-bolts, and SX6000 shocks to deliver a level stance, improved ground clearance, and the ability to fit larger tires while maintaining ride quality.
- Lift Height: Approximately 4.5 inches of total lift with a 3-inch rear lift to achieve a level stance.
- Shocks Included: SX6000 shocks are included for reliable damping on and off the road.
- Non-Knuckle Design: Rear-only lift geometry using blocks and U-bolts for straightforward installation.
- One-Piece Sub-Frame: Increases overall strength and durability under load and during off-road use.
- Front Strut Retention: Stock front struts can be retained, simplifying installation and reducing cost.
- New Ball Joint & Spacer: Includes a new upper ball joint and spacer to help maintain proper alignment and steering feel.
- Tire Fitment: Enables use of 33" x 12.5" tires for improved traction and ground clearance.
- Rim Backspacing Requirement: Factory rims will not fit; a rim with 4.75" backspacing or less is required.
- Warranty: Backed by Tuff Country’s limited lifetime warranty for long-term peace of mind.
- Vehicle Fitment: Precisely designed for 2005–2006 Toyota Tundra 2WD/4WD.
- Installation Note: Factory length shocks must be replaced with extended rear shocks for proper installation.
This kit is ideal for Toyota Tundra owners seeking a balanced, capable upgrade that preserves ride quality while enabling a more aggressive stance. The combination of a reinforced one-piece sub-frame and SX6000 shocks provides solid handling on highways and confident performance on rugged terrain. With a 33" tire option, you gain enhanced ground clearance and the versatility to tackle varied adventures, all supported by a trusted brand with a long-standing history in suspension solutions.
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 2005-2006 | Toyota | Tundra | 2WD | |
| 2005-2006 | Toyota | Tundra | 4WD |
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.

