1999-2004 Toyota Tundra 4x4 & 2wd - 4.5" Suspension Lift Kit

Tuff Country - 559003
Toyota Tundra 5" Lift Kit 1999-2004 by Tuff Country #55900
Shown with Shock Absorbers (sold separately, see options)
Sale Price:
  • $981.71
Reg: $1,154.95
Tuff Country #55900


Usually Ships within 24 to 48 Hours (excluding Saturday and Sunday)
Arrives 1 to 5 days after product ships


Gain additional tire clearance to fit 33" tires and get a cool new look with this Tuff Country #55900 Toyota Tundra 4.5" lift kit. This very popular lift kit uses a combination of a one piece subframe and upper coil / strut spacers to lift the front end while rear cast iron block lift the rear. Differential drop bracket, a front sway bar drop kit, upper ball joint spacers and a steering shaft extension keep everything aligned properly. Once installed this lift kit allows use of 33"x12.5" tires. Tuff Country has been producing quality suspension products for over 25 years and backs all lift kits with a limited lifetime warranty.

At Suspension Connection we are the #1 retailer of Tuff Country products in the world. Great prices, expert knowledge and exceptional customer service are why so many customers trust us with their Tuff Country purchases. Try us out!

Features and Benefits

  • Tuff Country #55900 lifts the rear of the Tundra 3" for a level stance
  • One piece sub-frame increases strength & durability
  • Upper coil/strut spacer maintain a near factory ride
  • Stock front struts can be retained
  • New ball joint included with upper ball joint spacer
  • Allows use of 33" x 12.5" tires

Installation Notes

1. Factory length shocks must be replaced with new extended rear shocks to install this lift kit properly. Please choose shocks & boots in the "Options" fields above if you have not already purchased extended shocks. Front struts can be retained
2. Factory rims will not fit with this lift kit. A rim with a 4.75" back spacing or less is required.

Tech Specs

Download Instructions 55900 Instructions
Recommended Tire Size: 33" x 12.5"
Amount of Lift: 4.5" Front / 3" Rear
Items Included: 1) One piece subframe, 2) Upper strut spacers, 2) Differential drop brackets, 2) Sway bar drop brackets, 2) Upper ball joint spacers, 1) Steering shaft extension, 1) Lower skid plate (not shown in image), 2) Upper ball joint knuckle plate, 2) Cast iron 3" rear lift blocks, 4) Rear ubolts, 1) Hardware bag
Weight: 100 lbs.
Part 55900 fits:
  • 2004 Toyota Tundra
  • 2003 Toyota Tundra
  • 2002 Toyota Tundra
  • 2001 Toyota Tundra
  • 2000 Toyota Tundra
  • 1999 Toyota Tundra

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  • 4.5 out of 2 Overall
  • 100% reviews recommend this product
Review Product
Great kit
This kit is doing great, install was a little challenging considering this is my first time installing anything on my own. Other than that, it is fantastic. Price is good for all that you are getting.
Recommend this Product: YES
2002 Toyota Tundra
– Value
– Quality
– Installation
Pretty good
Not amazing but it does what it is supposed to do. Does everything right. no problems with this kit yet. happy with it.
Recommend this Product: YES
2004 Tundra
– Value
– Quality
– Installation