Tuff Country 13090 - GM 11-13 Silverado 3500HD 3.5 lift kit - Manual

Part # 13090
2011 - 2013 Chevy / GMC 2500HD / 3500HD
With contact overloads
3.5” suspension system
Part # Description Qty.
13085-01 DS & PS Upper control arm 2
13085-02 DS & PS Front upper shock bracket 2
12904-03 Torsion bar key 2
5U-3431416S 3/4” x 3 1/4” x 16” square u-bolt 4
BL101 Rear lifted block 2
13085NB Hardware bag 1
13085NB1 Hardware bag 1
38NW Hardware bag 1
1308INST Instruction manual 1
MIRRORHANGER Rear view mirror hanger 1
WARNINGDECAL Warning decal 1
Congratulations on your selection to purchase a Tuff
Country EZ-Ride Suspension System. We at Tuff
Country EZ-Ride Suspension are proud to offer a high
quality product at the industries most competitive pric-
ing. Thank you for your confidence in us and our prod-
uct.
If you desire to return your vehicle to stock, it is the
customers responsibility to save all stock hardware
and components.
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.
Special note: 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 represen-
tatives @ (801) 280-2777.
Installation manual
3.5” suspension system
2011 - 2013 Chevy / GMC
2500HD / 3500HD
With contact overloads
Part # 13090
sj08152013rev.02
Important customer information:
Tuff Country EZ-Ride Suspension highly recommends
that a qualified or a certified mechanic performs this
installation.
It is the responsibility of the customer/installer to wear
safety glasses at all times when performing this instal-
lation.
It is the customers/installers responsibility to read and
understand all steps before installation begins. If you
have any questions or concerns, please contact our
technical department @ (801) 280-2777. Also, the OEM
manual should be used as a reference guide.
This vehicles reaction and handling characteristics
may differ from standard cars and/or trucks.
Modifications to improve and/or enhance off road per-
formance 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 100 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
checked every 6 months to ensure proper tracking,
proper wear on tires and front end components. Tuff
Country EZ-Ride Suspension takes no responsibility
for abuse, improper installation or improper suspen-
sion maintenance.