Tuff Country 55905KH 5" Lift Kit with Knuckles 1 Piece Sub-Frame Rear Blocks and U-Bolts with SX6000 Shocks
Tuff Country
55905KH
Pairs well with
Expert Post-Purchase Assistance
Limited Lifetime Warranty
Made in the USA
Free Shipping on Orders over $150
Tuff Country 55905KH 5" Lift Kit with Knuckles 1 Piece Sub-Frame Rear Blocks and U-Bolts with SX6000 Shocks
Product Details
Description
Elevate your 1999–2003 Toyota Tundra with the Tuff Country 55905KH 5" Lift Kit, a complete suspension upgrade featuring knuckles, a one-piece sub-frame, rear blocks, U-bolts, and SX6000 shocks for a capable, reliable off-road setup.
- Lift height: 5" front / 4" rear lift designed to accommodate larger tires and improve ground clearance.
- Shocks: SX6000 shocks included for balanced ride quality and enhanced off-road damping.
- One-piece sub-frame: Provides added front-end strength and reduces chassis flex under demanding use.
- Knuckles & spindles: Heavy‑duty replacement knuckles with spindles and pressed-in upper ball joints & bearings for durability.
- Rear blocks & U‑bolts: Included components that deliver secure rear suspension mounting.
- Wheel & tire compatibility: Designed to fit 33" x 12.5" tires; rims must have 4.5" backspacing or less.
- Front suspension compatibility: Front stock struts can be retained; ABS brakes supported with optional ABS plugs for non‑ABS vehicles.
- Vehicle fitment: Specifically engineered for 1999–2003 Toyota Tundra 2WD and 4WD models.
- Warranty: Backed by a limited lifetime warranty for long-term value and peace of mind.
- Installation note: Factory length shocks must be replaced with extended rear shocks for proper installation.
The kit is designed to deliver a capable, dependable upgrade that enhances ground clearance, supports larger tires, and strengthens the front end—all while maintaining a ride quality you can trust on daily drives and tough trails. With Tuff Country’s decades of suspension expertise, this lift kit provides a durable, value-driven solution for adventurous Tundra owners seeking a confident stance and improved off-road performance.
| Year Range | Make | Model | Drivetrain | Fitment Note |
|---|---|---|---|---|
| 1999-2003 | Toyota | Tundra | 2WD | |
| 1999-2003 | 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.
-
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.