Tuff Country 52901 - Toyota Tundra 99-03 2 leveling kit User Manual
Torque settings
 
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PART NUMBER : 52901 
1999 - CURR TOYOTA TUNDRA 
1.5” - 2” FRONT LEVELING SYSTEM 
 
PARTS LIST: 
 
Part 
#
Description
Qty.
MO3271
Front
Strut
Spacer
2
MO3273
Front
Strut
Isolator
2
M10214B
10 MM x 2 1/4” Stud
6
52901INST Instruction
Sheet
1
INSTALLATION MANUAL
1.5” - 2” FRONT LEVELING SYSTEM 1999 -
CURR
TOYOTA TUNDRA
PART # 52901
SJ100302
Special Note: 
 
A strut compressor is going to be needed to perform 
this installation. If you do not have a strut 
compressor you may rent one from your local Auto 
Parts store. 
 
Due to the inconsistencies of the stock strut, height 
after installation of the spacer may very. Any 
questions please feel free to contact Tuff Country or 
your local Tuff Country dealer. 
 
Congratulations on your selection to purchase a Tuff 
Country EZ-Ride Suspension System. We at Tuff 
Country are proud to offer a high quality product at 
the industries most competitive pricing. Thank you 
for your confidence in us, and our product. 
 
Before installation begins, it is the customers/
installers responsibility to make sure that all parts 
are on hand. If any parts are missing, please feel free 
to call one of our customer service representative @ 
(800) 288-2190. 
 
Make sure to use locktite on all new and stock 
hardware associated with this installation. 
 
 
 
Torque Settings
5/16”
15—18
ft
lbs.
3/8”
28—32
ft
lbs.
7/16”
30—35
ft
lbs.
1/2”
65—85 ft lbs.
9/16”
85—120
ft
lbs.
5/8”
95—130
ft
lbs.
3/4”
100—140
ft
lbs.
IMPORTANT CUSTOMER INFORMATION
 
Tuff Country EZ-Ride Suspension highly 
recommends that a qualified and or certified 
mechanic performs this installation. 
 
If you desire to return your vehicle to stock, it is the 
customers responsibility to save all stock hardware. 
 
This vehicles reaction and handling characteristics 
may differ from standard cars and/or trucks. 
Modifications to improve and/or enhance off road 
performance may raise the intended center of 
gravity. Extreme caution must be utilized when 
encountering driving conditions which may cause 
vehicle imbalance or loss of control. DRIVE SAFELY! 
Avoid abrupt maneuvers, such as sudden sharp 
turns which could cause a roll over, resulting in 
serious injury or death. 
 
It is the customers responsibility to make sure that a 
re-torque is performed on all hardware associated 
with this suspension system after the first 500 miles 
of installation. It is also the customers responsibility 
to do a complete re-torque after every 3000 miles or 
after every off road use. 
 
After the original installation, Tuff Country EZ-Ride 
Suspension also recommends having the alignment 
check every 6 months to ensure proper tracking, 
proper wear on tires and front end components. Tuff 
Country EZ-Ride Suspension take no responsibility 
for abuse, improper installation or improper 
suspension maintenance. 
 
It is the responsibility of the customer or the 
mechanic to wear safety glasses at all times when 
performing this installation. 
 
It is the customers/installers responsibility to read 
and understand all steps before installation begins. 
OEM manual should be used as a reference guide. 
 
The Tuff Country EZ-Ride Suspension product safety 
label that is included in your kit box must be 
installed inside the cab in plain view of all 
occupants. 
 
It is the responsibility of the installers to make sure 
that the rear view mirror hanger is hung from the 
rear view mirror. The rear view mirror hanger has 
instructions on proper post installation procedure.