Rough Country 268.20 - Manual

Thank you for choosing Rough Country for your suspension needs.
Rough Country recommends a certified technician install this system. In addition to these instructions, professional knowl-
edge of disassemble/reassembly procedures as well as post installation checks must be known. Attempts to install this sys-
tem without this knowledge and expertise may jeopardize the integrity and/or operating safety of the vehicle.
Please read instructions before beginning installation. Check the kit hardware against the parts list on the rear cover of
these instructions. Be sure you have all needed parts and know where they go. Also please review tools needed list and
make sure you have needed tools.
PRODUCT USE INFORMATION
As a general rule, the taller a vehicle is, the easier it will roll. Seat belts and shoulder harnesses should be worn at all times.
Avoid situations where a side rollover may occur.
Generally, braking performance and capability are decreased when larger/heavier tires and wheels are used. Take this into
consideration while driving. Do not add, alter, or fabricate any factory or after-market parts to increase vehicle height over
the intended height of the Rough Country product purchased. Mixing component brands is not recommended.
Rough Country makes no claims regarding lifting devices and excludes any and all implied claims. We will not be responsi-
ble for any product that is altered.
If questions exist we will be happy to answer any questions concerning the design, func-
tion, and correct use of our products.
This kit does NOT fit vehicles equipped with electric power steering. This kit does NOT fit vehicles equipped with
Auto Ride or Rear Auto Leveling suspension.
This suspension system was developed using a 285/75/17 tire with factory wheels.
Note if wider tires are used, offset
wheels will be required and trimming may be required.
NOTICE TO DEALER AND VEHICLE OWNER
Any vehicle equipped with any Rough Country product should have a “Warning to Driver” decal installed on the inside of the
windshield or on the vehicle ’s dash. The decal should act as a constant reminder for whoever is operating the vehicle of its
unique handling characteristics.
INSTALLLING DEALER - it is your responsibility to install the warning decal and forward these installation instructions on
to the vehicle owner for review. These instructions should be kept in the vehicle for its service life.
Tools Needed:
18MM Wrench
15MM Wrench
21MM Wrench
11MM Wrench
10MM Wrench
10MM Allen Wrench
Floor Jack
Jack stands
Thread Locker
92201S00
07 & UP 4WD TAHOE, YUKON, SUBURBAN 3.5” LIFT KIT
Torque Specs:
Size Grade 5 Grade 8
3/8
” 30 ft/lbs 35 ft/lbs
7/16 ” 45 ft/lbs 60 ft/lbs
1/2 ” 65 ft/lbs 90 ft/lbs
9/16 ” 95 ft/lbs 130 ft/lbs
5/8 ” 135 ft/lbs 175 ft/lbs
Class 8.8 Class 10.9
8MM 18ft/lbs 23 ft/lbs
10MM 32ft/lbs 45ft/lbs
12MM 50ft/lbs 75ft/lbs
14MM 85ft/lbs 120ft/lbs
16MM 130ft/lbs 165ft/lbs
18MM 170ft/lbs 240ft/lbs