Rough Country 1305 User Manual
92130500
07-11 GM 1500 Pickup, Avalanche, Yukon,
Tahoe, Suburban Front 2.5” Kit
Thank you for choosing Rough Country for all your suspension needs.
Rough Country recommends a certified technician install this system. In addition to these instructions, professional
knowledge of disassemble/reassembly procedures as well as post installation checks must be known. Attempts to install
this system 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 this page. 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
Part # 1307 Bag fits 07-UP vehicles with fabricated & cast steel lower control arms. For models equipped with a alumi
num lower control arm Part # 1308 Bag is available.
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 responsible for any product that is altered.
This suspension system was developed using a 285/70/17, tire with factory wheels. Note if wider tires are used, offset
wheels will be required and trimming will be required.
If you have any questions concerning the design, function, and correct use of our products please contact us at 800-222-
7023.
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.
INSTALLING 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:
Kit Contents:
Bolts
10x1.5x80mm bolts
SAE Flat washers
18mm Wrench
15mm Socket
15mm Wrench
17mm Wrench
21mm Wrench
7/32 Allen Wrench
Flat Screwdriver
Hammer
2- Lower Strut Extensions
2– Upper strut spacers
2- 2” Rear Blocks
4– 9/16 U-
1307 Kit Bag
484-10mm nuts
9/16 Kit Bag
8– 9/16 nuts
8– 9/16 washers
1. Jack up the front of the vehicle and support the vehicle with jack stands, so that the front wheels are off the ground
2. Remove the front tires/wheels., using a 21mm deep well socket
3. Using a 18mm wrench loosen the upper strut bolts. Do not remove at this time. See Photo 1.
4. Place jack stand under the knuckle for support. Remove upper ball joint nut, using a 18mm wrench. Using a hammer hit the knuckle as shown to allow the ball joint to separate from the knuckle. See Photo 2. Do not allow the
knuckle to pull out far enough that it pulls the shaft out of the differential.
5. Using a 21mm wrench remove the nut from the steering linkage. Using a hammer hit on the side of the knuckle as
shown, where the steering linkage is connected and remove from knuckle. Push linkage forward to make room for
installation. Retain factory hardware. See Photo 3.
6. Remove the sway bar nut and bushings using a 15mm wrench, and 15mm socket. Retain factory hardware. See
Photo 4
INSTALLATION INSTRUCTIONS
Photo 1 Photo 2
Photo 3 Photo 4
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