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SKU: 55907KN | UPC: 698815027970
Tuff Country 5" Lift Kit with Steering Knuckles & SX8000 Nitro Shocks - 2005-2006 Toyota Tundra 4WD & 2WD
The Tuff Country 55907KN 5" lift kit provides a complete suspension lift for the 2005-2006 Toyota Tundra (all cabs, 2WD & 4WD) using fabricated steel steering knuckles, upper control arms, and rear add-a-leafs to deliver improved off-road capability, room for up to 35" tires, and a level stance while maintaining factory ride quality and alignment geometry. Paired with Tuff Country SX8000 twin-tube nitro gas shocks, this kit offers durable performance for daily driving, towing, or light off-road use.
Key Features
- Fabricated Steel Steering Knuckles: Heavy-duty drop knuckles maintain proper ball joint angles and steering geometry.
- Tubular Upper Control Arms: Corrected ball joint angle with greaseable bushings.
- Front Differential Drop: Lowers differential to reduce CV axle angles on 4WD models.
- Rear Add-A-Leafs & Blocks: Provides 5" rear lift with new U-bolts.
- SX8000 Nitro Gas Shocks: Twin-tube design with 10-stage velocity sensitive valving (front & rear).
- Sway Bar Drops & Brake Line Brackets: Maintains factory handling and braking.
- Powdercoated Components: Black finish for corrosion resistance.
- Made in USA: Manufactured by Tuff Country in Utah.
Product Notes
- Complete kit includes front knuckles, UCAs, rear add-a-leafs, blocks, shocks, and all hardware.
- Part number: 55907KN (with SX8000 shocks).
- Fits all 2005-2006 Tundra models (Access Cab, Double Cab, 2WD, 4WD).
- Allows up to 35x12.50 tires with minor trimming (wheel offset.
- Retains factory ride quality and towing capacity when not overloaded.
- Lifetime warranty on fabricated components, 1-year on shocks.
- Total kit weight approximately 185-195 lbs.
Installation Notes
- Bolt-on installation some cutting of factory lower control arm mounts required for knuckle install.
- Professional alignment mandatory after install.
- Typical install time 10-14 hours with lift and basic tools.
- Headlight aim adjustment recommended.
This Part Fits
| Year | Make | Model | Drivetrain |
|---|---|---|---|
| 2005-2006 | Toyota | Tundra | 2WD / 4WD |
Why Choose Tuff Country?
- Over 30 years specializing in Toyota and domestic truck lift kits.
- Knuckle design maintains factory geometry better than spacer-only kits.
- Made in USA with lifetime warranty on boxed components.
Frequently Asked Questions
- Q: Does this fit 2007+ Tundra?
- A: No, 2007+ second-gen Tundra uses different kit (different chassis).
- Q: Is cutting required?
- A: Yes, minor cutting of factory lower control arm mounts for knuckle clearance.
- Q: What shocks are included?
- A: Tuff Country SX8000 nitro gas shocks front and rear.
Shipping & Handling
- Method: Freight truck (multiple heavy boxes).
- Package Weight: Approximately 200–220 lbs total.
- Box Dimensions (approx): Multiple cartons – largest ~60" × 20" × 12".
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Tuff Country
Tuff Country EZ-Ride Suspension has been a leader in the aftermarket suspension industry for over 25 years. Our mission is to provide quality suspension products for 4WD enthusiasts, ensuring you get the best performance without breaking the bank. Why Choose Tuff Country? Made in the USA: Unlike most competitors, our lift kits and suspension products are manufactured right here in the USA. Competitive Pricing: We sacrifice margins to deliver superior products at the most competitive prices in the industry. Lifetime Warranty: Our products come with a lifetime warranty, giving you the confidence to take on any terrain. Ride Quality: Just because you have a lifted vehicle doesn't mean you have to sacrifice ride quality. Our kits are engineered to maintain a factory or near-factory ride on most applications. Easy Installation: Tuff Country engineers its suspension kits with ease of installation as a key design factor. Our Products Explore our range of lift kits and leveling kit...
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