Trail Master Suspension TM402_TM402N 2009– 2013 FORD F-150 2WD ONLY 2 1/2 FRONT SPACER KIT User Manual

Page 3

TM402 &

TM402N

Revised

8.9.13

Before Starting Installation

Carefully read all warnings and instructions com-

pletely before beginning.

2. Verify all parts have been received in this kit by

checking the parts list at the end of this document.

3. Only install this kit on the vehicle for which it is

specified. If anytime during the installation you en-

counter something different from what is outlined in

the instructions, call technical support at (877) 695-

7812.

4. Park vehicle on a clean, dry, flat, level surface and

block tires so vehicle cannot roll in either direction.

5. Measure ride height with the vehicle supporting its

own weight on level ground. To settle the suspension,

the vehicle should be driven forward at least 10 feet

immediately prior to taking these measurements. Ride

height is the measurement from the center of the axle

straight up (vertical) to the fender lip. Record this

measurement for all four wheels.

Engine Compartment

1. Disconnect both battery cables. Disconnect nega-
tive cable first, then positive cable.

Wheel & Tire Requirements

The factory wheel and tire combination will fit once this
kit is installed.

Torque Specifications:

See factory service manual for torque values when
reusing OE fasteners.

See factory service manual for torque values when re-using

OE fasteners.

Bolt Size

Grade 5 (ft.-lbs.)

Grade 8 (ft.-lbs.)

1/4”-20 10 10

1/4”-28 10 12.5

5/16”-18 17 22.5

5/16”-24 20

3/8”-16 30 40

3/8”-24 35 45

7/16”-14 50

7/16”-20 55

1/2”-13 75 100

1/2”-20 80 115

9/16”-12 105

135

9/16”-18 115

150

5/8”-11 150 195

5/8”-18 160 210

3/4”-16 175 225

NOTE

Adhere to recommendations when replacement fas-
teners, retainers and keepers are called out in the
factory service manual. When re-assembling the ve-
hicle it is recommended by the vehicle manufacturer
that certain fasteners are replaced in order to main-
tain proper retention characteristics. This system
may not include all replacement hardware as recom-
mended by the factory service manual. Additional
replacement hardware should be obtained prior to
installation of this system to meet the requirements
of the factory service manual.

NOTE

Kit parts are prefaced by the word kit and appear in
bold print.

NOTE

This kit can be installed on 2009-2013 vehicles
equipped with an electric steering rack

NOTE

In order to maintain proper alignment for the
life of the vehicle, the installation of a cam
alignment kit may be necessary. This kit is
now available for purchase from Specialty
Products Company PN# S/P86230.