4331 EUCALYPTUS AVE. ~~ CHINO, CA 91710
909-597-7800 Fax 909-597-7185
2000-2004 FORD F-250/350 SUPER DUTY 4 WHEEL DRIVE
2000-2005 FORD EXCURSION 4 WHEEL DRIVE
FTS421-1 5.5” & 8” LIFT BOX KIT
FTS421-1
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Part #
FT423-100
FT352U
FT30331
FT310
FTS89
FT422-8
BOX KIT
Description
TRACK ARM BRKT.
U-BOLTS
HDWR SUB-ASSEMBLY KIT
PITMAN ARM
4.5” BUMPSTOP
SWAY BAR ENDLINKS
FT30331
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Part #
FT916H
FT1004
FT97150-6-106
FT421-1i
50000005152
37000005052
43000005152
FT404739
37160003052
12002007000
FTAS16
FTAS12
FTREGCARD
Hdwr Sub-Assembly Kit
Description
HARDWARE PACK
SWAY BAR BUSHINGS
3/8” SWAY BAR SPACERS
INSTRUCTIONS FTS421-1
1/2” USS WASHERS
3/8” SAE WASHERS
7/16” USS FLAT WASHERS
12MM SLEEVES
3/8” -16 NYLOCK NUTS
COTTER PIN
Driver Warning
Fabtech Sticker
Reg. Card
TOOL LIST:
FLOOR JACK
JACK STANDS
ASSORTED METRIC AND S. A. E. WRENCHES AND SOCKETS
WHITE LITHIUM GREASE
CHECK ALL PARTS INCLUDED IN THIS KIT TO THE PARTS LIST ABOVE BEFORE
BEGINNING INSTALLATION OF THE KIT. IF ANY PIECES ARE MISSING, CONTACT
FABTECH AT 909-597-7800
CHECK THE FACTORY PITMAN ARM SPLINE ORIENTATION WITH THE SUPPLIED PITMAN ARM BEFORE BEGIN
INSTALLATION. SEE STEP 4 FOR MORE INFORMATION.
READ ALL INSTRUCTIONS THOROUGHLY FROM START TO FINISH BEFORE BEGINNING INSTALLATION.
CHECK PARTS & HARDWARE AGAINST THE PARTS LIST BEFORE BEGINNING THE INSTALLATION TO ASSURE THE
KIT IS COMPLETE, CONTACT FABTECH @ 909-597-7800 IF KIT IS INCOMPLETE.
5.5” LIFT NOTE:
THIS KIT MUST BE INSTALLED WITH THE FTS275 FRONT LEAF SPRINGS, REAR BLOCK KIT, FTS7265 FRONT SHOCKS
AND FTS7266 REAR SHOCKS.
8” LIFT NOTE:
THIS KIT MUST BE INSTALLED WITH THE FTS278 FRONT LEAF SPRINGS, FTSBK4, FTS728 & FTS208 (BLOCKS, ADD A
LEAFS AND U-BOLTS) OR FTS280 LEAF SPRINGS, FTS7333 FRONT SHOCKS AND FTS7266 REAR SHOCKS.
NOTE: ONLY THE 5.5” LIFT IS APPROVED FOR THE EXCURSION AND MUST USE FTS281 REAR LEAF SPRINGS.
THE FRONT DRIVESHAFT MUST BE LENGTHENED AND MODIFIED DURING THE INSTALLATION OF THIS KIT. THERE
ARE PICTURES INCLUDED IN THIS INSTRUCTION SHEET THAT SHOW THE MODIFICATIONS THAT MUST BE
PERFORMED.
5.5” LIFT INSTRUCTIONS:
1.
Disconnect the negative terminal on the battery. Jack up
the front end of the truck and support the frame, at the
front frame rails, with jack stands. NEVER WORK
UNDER AN UNSUPPORTED VEHICLE. Remove the
front tires.
2.
Remove the brake calipers and tie them up out of the way.
DO NOT ALLOW THE CALIPERS TO HANG
FROM THE BRAKE LINES! Supporting the front axle
with two floor jacks, remove the front shocks and the sway
bar end links. Remove the cotter pin and castle nut from
the drag link at the pitman arm. Using a tie rod puller,
separate the tie rod end from the pitman arm. Remove the
bolt from the top end of the track bar, where it connects to
the frame bracket. Remove the three bolts securing the
track bar bracket to the frame and set the bracket aside.
3.
Remove the bolts securing the front drive shaft to the axle
yoke. Tape the bearing caps on the front u joint and
remove the drive shaft from the transfer case. Remove all
four u bolts from the front axle. Slowly lower the two
floor jacks supporting the front axle to clear the leaf
springs. Loosen the four front leaf spring shackle bolts,
DO NOT REMOVE THEM. While supporting the leaf
spring, remove the front bolt followed by the rear bolt,
separating the leaf spring from the shackle. Set the leaf
spring aside and repeat this step on the opposite leaf
spring.
4.
Remove the nut and washer from the steering shaft at the
pitman arm. Using a pitman arm puller, remove the
factory pitman arm. Using the diagram shown BELOW,
confirm that the master spline orientation on your factory
pitman arm matches the one on the FT310 pitman arm
supplied with this kit. If they do not match, you will need
to purchase the correct replacement pitman arm. Slide the
new drop pitman arm onto the splines of the steering shaft
making sure to align the master splines. Reinstall the
factory lock washer followed by the nut and torque to 200
ft/lbs. SEE DIAGRAM AND PHOTO IN NEXT
COLUMN.
FTS309
5.
FTS310
FTS311
Place the supplied track bar drop bracket in position where
the original bracket was. Reinstall the three original bolts
and torque to 30 ft/lbs. Remove the front bumpstops from
the frame. Install the new 4.5” bumpstops using the factory
center hole and the supplied 3/8” flat washers and nylock
nuts. SEE PHOTO ON NEXT PAGE.
original hardware along with the supplied 7/16” washers for
the connection to the OEM sway bar. Torque all the sway
bar hardware to 35 ft/lbs. Reinstall the front drive shaft
using the original hardware. Torque to factory specs.
11. Check the torque on all fasteners and adjust the drag link to
center the steering wheel. Drive the truck 1-2 miles and
retorque all nuts, bolts, and lugs. Recenter the steering
wheel if necessary.
REAR LIFT FOR 5” KIT
12. Jack up the rear end of the vehicle and support the frame
rails with jack stands. Supporting the rear differential
remove and discard the rear shocks and u bolts. Lower axle
down slowly. Use care not to over extend the brake hose
6.
7.
8.
9.
Slide one of the new leaf springs into the spring hanger,
the double rapped bushing end will go towards the front.
Reinstall the factory bolts and nuts but do not fully torque.
Repeat this with the opposite leaf spring. Raise the floor
jacks supporting the front axle, aligning the center pins on
the leaf springs with the holes in the front axle spring pads,
until the spring pad are fully seated on the leaf springs and
the front springs compress ¼”. Slide the new u bolts over
the leaf spring and through the original spring plates.
Place a new washer and nut on each u bolt. Torque the u
bolts in a “X” pattern to 184 ft/lbs.
Attach the drag link to the drop pitman arm, torque the
original nut to 60 ft/lbs followed by the proper amount to
line up a cotter pin hole. DO NOT LOOSEN THE NUT
TO LINE UP THE COTTER PIN HOLE. Install a new
cotter pin. Install both front shocks (or follow the
instructions supplied with the FTS420-50 dual shock
system) and reinstall the brake calipers.
Put the front tires back onto the axle and fully torque the
lugs. Factory lug nut torque specification can be found in
your owner’s manual. Raise the jacks supporting the front
axle enough to release the jack stands from the front frame
rails and set the truck back onto the ground. Steer the
truck fully in each direction, making sure the front brake
lines will not come in contact with the front tires. Make
sure the 4.5” bumpstops are centered with the leaf springs.
Torque the front u bolts to 80-85 ft/lbs. Raise the front
track bar to align it with the front track bar drop bracket.
Insert the original bolt, from the rear of the drop bracket,
using the upper bolt hole in the bracket. Place the original
nut on the end of the bolt and torque to 120 ft/lbs. Torque
the front spring pivot bolts to 125 ft lbs and the rear spring
pivot bolts to 109 ft lbs.
10. Take the new sway bar end links, put a small amount of
grease into each end and press the supplied urethane
bushings into them. Grease the inside of the bushings and
press a 12mm sleeve into each end. Install the new end
links in place of the original units. The longer straight
section of the link should be at the bottom. Use the
13. Excursions must use FTS281 replacement rear springs
and discard the factory rear lift blocks.
14. Locate and install the rear lift blocks (not included in this
kit), the factory block will be positioned on top of the new
Fabtech block, with the short center pin of both blocks
facing down, to the axle. The short end of the blocks
should face to the front of the vehicle. Using the U bolts
(not included in this kit), nuts and washers align axle, lift
blocks, and springs and torque to U Bolts to 148lbs. Note:
Due to the large number of rear factory optional tow
packages offered on the Super Duty, you may need to
remove the factory over load leaf for proper fitment of
the block, add-a-leaf, and u-bolt combination. Fabtech
offer two rear u-bolt lengths, FTS351UBK 12” in length
and FTS728 16 ½” in length
15. Install Fabtech shock part number FTS7266 (not included)
with the factory hardware and torque bolts to 65lbs.
16. Recheck all bolts for proper torque. Recheck brake hoses
and lines for proper clearances.
17. Check front end alignment and set to factory specifications.
Readjust headlights
8” LIFT INSTRUCTIONS:
1.
Jack up the front end of the truck and support the frame, at
the front frame rails, with jack stands. NEVER WORK
UNDER AN UNSUPPORTED VEHICLE. Remove the
front tires.
FTS309
2.
Remove the brake calipers and tie them up out of the way.
DO NOT ALLOW THE CALIPERS TO HANG
FROM THE BRAKE LINES! Remove the bolt securing
the brake line mounting tab to the frame, save the bolt, you
will reuse it later. Supporting the front axle with two floor
jacks, remove the front shocks and the sway bar end links.
Remove the cotter pin and castle nut from the drag link at
the pitman arm. Using a tie rod puller, separate the tie rod
end from the pitman arm. Remove the bolt from the top
end of the track bar, where it connects to the frame
bracket. Remove the three bolts securing the track bar
bracket to the frame and set the bracket aside.
3.
Remove the bolts securing the front drive shaft to the axle
yoke. Tape the bearing caps on the front u joint and
remove the drive shaft from the transfer case. Remove all
four u bolts from the front axle. Slowly lower the two
floor jacks supporting the front axle to clear the leaf
springs. Loosen the four front leaf spring shackle bolts,
DO NOT REMOVE THEM. While supporting the leaf
spring, remove the front bolt followed by the rear bolt,
separating the leaf spring from the shackle. Set the leaf
spring aside and repeat this step on the opposite leaf
spring.
4.
Remove the nut and washer from the steering shaft at the
pitman arm. Using a pitman arm puller, remove the
factory pitman arm. Using the diagram shown above,
confirm that the master spline orientation on your factory
pitman arm matches the one on the FT310 pitman arm
supplied with this kit. If they do not match, you will need
to purchase the correct replacement pitman arm. Slide the
new drop pitman arm onto the splines of the steering shaft
making sure to align the master splines. Reinstall the
factory lock washer followed by the nut and torque to 200
ft/lbs. SEE DIAGRAM AND PHOTO ON NEXT PAGE.
5.
FTS310
FTS311
Place the supplied track bar drop bracket in position where
the original bracket was. Reinstall the three original bolts
and torque to 30 ft/lbs. Remove the front bumpstops from
the frame. Install the new 4.5” bumpstops using the factory
center hole and the supplied 3/8” flat washers and nylock
nuts. SEE PHOTO BELOW.
6.
Remove the 2 bolts securing the factory upper sway bar
link mount. Relocate the mount underneath the frame
using the original bolts. Tighten both bolts to factory
specs. Repeat this on the opposite side of the truck. SEE
PHOTOS BELOW.
9.
You will now relocate the upper brake line mounting tab.
Mark a spot on the frame 3” below and 1” towards the front
of the frame from the original hole. Drill a new ¼” hole
and reinstall the original bolt. SEE DIAGRAM BELOW.
Mounted in factory
position inside of the
frame rail
10. Put the front tires back onto the axle and fully torque the
lugs. Factory lug nut torque specification can be found in
your owner’s manual. Raise the jacks supporting the front
axle enough to release the jack stands from the front frame
rails and set the truck back onto the ground. Steer the truck
fully in each direction, making sure the front brake lines
will not come in contact with the front tires. Make sure the
4.5” bump stops are centered with the leaf springs.
Rotated and
mounted in new
position on bottom
of frame rail
7.
Slide one of the new leaf springs into the spring hanger,
the double rapped bushing end will go towards the front.
Reinstall the factory bolts and nuts but do not fully torque.
Repeat this with the opposite leaf spring. Raise the floor
jacks supporting the front axle, aligning the center pins on
the leaf springs with the holes in the front axle spring pads,
until the spring pad are fully seated on the leaf springs and
the front springs compress ¼”. Slide the new u bolts over
the leaf spring and through the original spring plates.
Place a new washer and nut on each u bolt. Torque the u
bolts in a “X” pattern to 184 ft/lbs.
8.
Attach the drag link to the drop pitman arm, torque the
original nut to 60 ft/lbs followed by the proper amount to
line up a cotter pin hole. DO NOT LOOSEN THE NUT
TO LINE UP THE COTTER PIN HOLE. Install a new
cotter pin. Install both front shocks (or follow the
instructions supplied with the FTS420-50 dual shock
system) and reinstall the brake calipers.
11. Torque the front u bolts to 80-85 ft/lbs. Raise the front
track bar to align it with the front track bar drop bracket.
Insert the original bolt, from the rear of the drop bracket,
using the lower bolt hole in the bracket. Place the original
nut on the end of the bolt and torque to 100 ft/lbs. Torque
all the spring bolts, including the frame to shackle bolts to
75 ft/lbs.
12. Take the new sway bar end links, put a small amount of
grease into each end and press the supplied urethane
bushings into them. Grease the inside of the bushings and
press a 12mm sleeve into each end. Install the new end
links onto the relocated sway bar mounts using the original
hardware, with a 7/16” flat washer on each side of the
urethane bushing. Place the supplied 3/8” spacer in
between the flat washer and the mount as shown above.
The longer straight section of the link should be at the
bottom. Reattach the end link to the sway bar with a 7/16”
flat washer on the outside of the urethane bushing. Torque
all the sway bar hardware to 35 ft/lbs. SEE PHOTOS ON
NEXT PAGE.
BLOCK AND ADD-A-LEAF
INSTRUCTIONS
16. Clamp the leaf spring in the middle of the spring and
remove the center bolt.
17. Separate the individual leafs and install the provided add a
leafs with the new center bolt in a pyramid pattern smallest
on the bottom graduating to the longest on top. The factory
flat overload leaf should remain on the bottom of the pack.
Clamp the spring and tighten the center bolt as not to leave
a gap between the springs. Cut the thread of the bolt
smooth with the nut. The nut should be on the top of the
leaf spring pack.
18. Locate and install the rear lift blocks (not included in this
kit), the factory block will be positioned on top of the new
Fabtech block, with the short center pin of both blocks
facing down, to the axle. The short end of the blocks
should face to the front of the vehicle. Using the U bolts
(not included in this kit), nuts and washers align axle, lift
blocks, and springs and torque to U Bolts to 90lbs. Note:
Due to the large number of rear factory optional tow
packages offered on the Super Duty, you may need to
remove the factory over load leaf for proper fitment of
the block, add-a-leaf, and u-bolt combination. Fabtech
offer two rear U-bolt lengths, FTS351UBK 12” in length
and FTS728 16 ½” in length.
REPLACEMENT LEAF INSTRUCTIONS
19. If your truck is equipped with a factory over load leaf on
top of the factory leaf spring pack you will need to remove
and discard the overload leaf.
13. While you are lengthening the front drive shaft perform
the modifications as shown on page 4. After all
modification are complete, reinstall the drive shaft and
torque all original hardware to factory specs.
14. Check the torque on all fasteners and adjust the drag link
to center the steering wheel. Drive the truck 1-2 miles and
retorque all nuts, bolts, and lugs. Center the steering wheel
if necessary.
REAR LIFT OPTIONS FOR 8” KIT
Fabtech offers two rear lift options for the Super Duty 8” lift.,
Block and add-a-leaf combination or replace rear leaf springs.
Follow the instructions below for the option being installed.
15. Jack up the rear end of the vehicle and support the frame
rails with jack stands. Supporting the rear differential,
remove and discard the rear shocks and u bolts. Lower
axle down slowly. Use care not to over extend the brake
hose.
20. Locate the new FTS281 rear leaf springs (not included in
this kit) and install into the factory position using factory
hardware. You will reuse the factory u-bolts and shackle
and hanger hardware. Note: the factory block in the truck
will be reused in the factory location.
ALL APPLICATIONS
21. Install Fabtech shock part number FTS7266 (not included)
with the factory hardware and torque bolts to 65lbs.
22. Recheck all bolts for proper torque. Recheck brake hoses
and lines for proper clearances.
23. Install tires and wheels and torque lug nuts to wheel
manufacturer’s specifications. Turn front tires left to right
and check for appropriate tire clearance. Note- Some
oversized tires may require trimming of the front bumper &
valance.
24.
Check front end alignment and set to factory specifications.
Readjust headlights.
FACTORY FORD PITMAN ARM PART NUMBERS
FTS309 = F81A-3590-LC ALL HAVE 32 TEETH
F81A-3590 BA
F81Z- 3590 LB
FTS310 = YC3Z-3590 CA 36 TEETH
FTS311 = YC3Z-3590 DA ALL HAVE 36 TEETH
YC35-3590 DB
YC34-3590 DA
RETORQUE ALL NUTS, BOLTS AND LUGS AFTER 50 MILES AND PERIODICALLY THEREAFTER.
For technical assistance call: 909-597-7800
Product Warranty and WarningsFabtech provides a Limited Lifetime Warranty to the original retail purchaser who owns the vehicle, on which the product was originally
installed, for defects in workmanship and materials.
The Limited Lifetime Warranty excludes the following Fabtech items; bushings, bump stops, ball joints, tie rod ends, limiting straps, cross
shafts, heim joints. These parts are subject to wear and are not considered defective when worn. They are warranted for 60 days from the date
of purchase for defects in workmanship.
Take apart shocks are considered a serviceable shock with a one year warranty on leakage only. Service seal kits are available separately for
future maintenance. All other shocks are covered under our Limited Lifetime Warranty.
Fabtech does not warrant any product for finish, alterations, modifications and/or installation contrary to Fabtech’s instructions. Alterations to
the finish of the parts including but not limited to painting, powdercoating, plating and/or welding will void all warranties. Some finish damage
may occur to parts during shipping which is considered normal and is not covered under warranty.
Fabtech products are not designed nor intended to be installed on vehicles used in race applications or for racing purposes or for similar
activities. (A “RACE” is defined as any contest between two or more vehicles, or any contest of one or more vehicle against the clock, whether
or not such contest is for a prize). This warranty does not include coverage for police or taxi vehicles, race vehicles, or vehicles used for
government or commercial purposes. Also excluded from this warranty are sales outside of the United States of America.
Installation of most suspension products will raise the center of gravity of the vehicle and will cause the vehicle to handle differently than stock.
It may increase the vehicle’s susceptibility to a rollover, on road and off road, at all speeds. Extreme care should be taken to operate the vehicle
safely at all times to prevent rollover or loss of control resulting in serious injury or death. Fabtech front end Desert Guards may impair the
deployment or operation of vehicles equipped with supplemental restraining systems/air bag systems and should not be installed if the vehicle is
equipped as so.
Fabtech makes every effort to ensure suspension product compatibility with all vehicles listed in the catalog, but due to unknown auto
manufacturer’s production changes and/or inconstancies by the auto manufacturer, Fabtech cannot be responsible for 100% compatibility,
including the fitment of tire and wheel sizes listed. The Tire and Wheel sizes listed in Fabtech’s catalog are only a guideline for street driving
with noted fender trimming. Fabtech is not responsible for damages to the vehicle’s body or tires.
Fabtech’s obligation under this warranty is limited to the repair or replacement, at Fabtech option, of the defective product only. All costs of
removal, installation or re-installation, freight charges, incidental or consequential damages are expressly excluded from this warranty. Fabtech
is not responsible for damages and/or warranty of other vehicle parts related or non related to the installed Fabtech product. This warranty is
expressly in lieu of all other warranties expressed or implied. This warranty shall not apply to any product that has been subject to accident,
negligence, alteration, abuse or misuse as determined by Fabtech.
Fabtech suspension components must be installed as a complete system including shocks as shown in our current catalog. All warranties will
become void if Fabtech parts are combined and/or substituted with other aftermarket suspension products. Combination and/or substitution of
other aftermarket suspension parts may cause premature wear and/or product failure resulting in an accident causing injury or death. Fabtech
does not warrant products not manufactured by Fabtech.
Installation of Fabtech product may void the vehicles factory warranty; it is the consumer’s responsibility to check with their local vehicle’s
dealer for warranty disposition before the installation of the product.
It is the responsibility of the distributor and/or the retailer to review all warranties and warnings of Fabtech products with the consumer prior to
purchase.
Fabtech reserves the right to supercede, discontinue, change the design, finish, part number and, or application of parts when deemed necessary
without written notice. Fabtech is not responsible for misprints or typographical errors within the catalog or price sheet.
Instruction Sheet Part #- FT421-1i
4/29/10 SE