Rough-country 591.20 User Manual download pdf

05-07 F250 8” SUSPENSION KIT

92159000

Kit Contents:

Diesel Coil Springs

Upper Control Arms (2)

Lower Control Arms (2)

Stabilizer Drop Brackets

Track Bar Bracket

Control Arm BracketBrake Line Drop

Bracket

Sway Bar Link Extension

Pitman Arm

Carrier Bearing Drop Brkt

Front and Rear Shocks

7” Rear Spring

Rear U-Bolt Kit

Tools Needed:

8mm Wrench 1 1/8” Wrench

10mm Wrench 1 13/16” Wrench

12mm Wrench Jack Stands

15mm Wrench Jack

17mm Wrench

17mm Socket

18mm Wrench

18mm Socket

19mm Wrench

21mm Wrench

24mm Socket

30mm Socket

Thank you for choosing Rough Country for your suspension needs.

Rough Country recommends a certified technician installs 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 all the instructions before beginning the installation. Check the kit hardware against the parts list and the kit

contents on the back of these instructions. Be sure you have all the needed parts and understand where they go. Also

please review the 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. We strongly recommend, because of rollover possibility, that

the vehicle be equipped with a functional roll-bar and cage system. Seat belts and shoulder

harnesses should be worn at all times. Avoid situations where a side rollover may occur.

Braking performance and capabilities are decreased when significantly larger/heaver tires and wheels are used. Take

this into consideration while driving. Also, speedometer recalibration is necessary when larger tires are installed.

Do no add, alter, or fabricate any factory or after-market parts which increase vehicle height over the intended height of

the Rough Country product purchased. Mixing component brands, lifts, and/or combining body lift with suspension lifts

voids all warranties. 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 kit is packaged as a leveling kit—raising the front 8” and the back 7 with new leaf springs”. If you desire a different

look or if your truck has a tool box or something else that is going to bring the rear end down, please consult with your

sales repetitive about option higher block and u-bolt options.

The 8” suspension system was developed for 37x12.50x17 tire on an after market 17x9” wheel with 4” of back spacing.

NOTICE TO DEALER AND VECHICLE OWNER

Any vehicle equipped with any Rough country product must have the “Warning to Driver” decal installed on the sun visor

or dash. The decal is to act as a constant reminder for whoever is operating the vehicle of its unique handling character-

istics. INSTALLING DEALER—It is your responsibility to install the warning decal and to forward these installation in-

structions on too the vehicle owner for review and to be kept in the vehicle for its service life.

Torque Specs:

Size Grade 5 Grade 8

5/16” 15 ft/lbs 20 ft/lbs

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

3/4” 185 ft/lbs 280 ft/lbs

1 2 3 4 5 6 7 8

Summary of Contents

Page 1

05-07 F250 8” SUSPENSION KIT 92159000 Kit Contents: Diesel Coil Springs Upper Control Arms (2) Lower Control Arms (2) Stabilizer Drop Brackets Track

Page 2 - Using a

FRONT INSTALLTION INSTRUCTIONS 1. Block the rear wheels of the vehicle. Raise the front of the vehicle and support the frame with jack stands. Remove

Page 3

14. Insert the adjustable end of the lower radius arm into the radius arm drop bracket as shown in Photo 7. Bolt into place using a 3/4” x4.75” bolt,

Page 4 - Photo 13

18. Using the nylon bump stop extension provided, place the extension between the frame and the bump stop cup. Bolt back into the original location us

Page 5

29. Tighten the radius arm bolt to 230 ft/lbs 30. Remove the cotter pin and nut using a 21mm wrench, from the drag link end where it attaches to the p

Page 6 - Photo 1 Photo 2

REAR LEAF SPRING INSTALLATION 1. Chock front wheels and jack up the rear of the vehicle. Secure with jack stands on the frame rail. 2. Place a flo

Page 7

POST INSTALLATION INSTRUCTIONS 1. Adjust steering wheel to re-center prior to driving. 2. Check all fasteners for proper torque. Check to ensure f

Page 8 - KIT CONTENTS

KIT CONTENTS Thank you for choosing Rough Country for your suspension needs. Front Coil Springs Front Lr Arms Front Upr Arms Front Bump Stop Exts.

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Rough-country 591.20 User Manual

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