SKU: 55907KH | UPC: 698815027932
Tuff Country 5″ Lift Kit with Steering Knuckles & SX6000 Hydro Shocks – 2005-2006 Toyota Tundra 2WD / 4WD (All Cabs)
The Tuff Country 55907KH 5″ lift kit provides a complete suspension lift for the first-generation Toyota Tundra using fabricated steel steering knuckles, tubular upper control arms, and rear add-a-leafs to deliver improved off-road performance, clearance for up to 35″ tires, and a level stance while preserving factory alignment geometry and ride quality. Paired with Tuff Country SX6000 twin-tube hydraulic shocks, this kit offers durable, budget-friendly performance for daily driving, towing, or moderate 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 (4WD): Lowers differential to reduce CV axle angles.
- Rear Add-A-Leafs & Blocks: Provides 5″ rear lift with new U-bolts.
- SX6000 Hydraulic Shocks: Twin-tube design with 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, SX6000 shocks, and all hardware.
- Part number: 55907KH (with SX6000 hydraulic shocks).
- Fits all 2005-2006 Tundra models (Access Cab, Double Cab, 2WD, 4WD).
- Allows up to 35×12.50 tires with minor trimming (wheel offset dependent).
- 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 SX6000 twin-tube hydraulic 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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