Ford F250 Superduty 4”-6” Suspension Kit
This kit is packaged as a leveling kit—raising the front 4”and the back 2”or raising the front 6”and the back 4”. 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 or the use of an add-a-leaf.
The 4”suspension system was developed for 35×12.50×17 tire on an after market wheel with 4.5”of back spacing.
The 6”suspension system was developed for 37×13.50×17 tire on an after market wheel with 4.5”of back spacing.
FRONT INSTALLTION INSTRUCTIONS
1. The tools needed , and parts for this installation are on the front cover. Make sure you have all of the proper tools an understanding of these directions before you proceed.
2. Place the truck on a clean level surface and set the parking brake. Chock the rear wheels and using a floor jack raise the front of the truck and support the frame rails with approved jack stands. NEVER WORK UNDER AN UNSUPPORTED VEHICLE, Using a 7/8 deep well socket remove the front wheels.
3. Using a 18mm and 13mm socket, remove the front bumper. Using a clip tool or a large flat head screw-driver, disconnect the rubber valance panel from underneath the front bumper. Disconnect the block heater plug from the bumper. (if equipped).
4. Using a 21mm socket, remove front crash bar. ( if equipped).
5. Using a 30mm socket, unbolt the track rod from the frame mount and let the bar hang. Using a 15mm wrench, unbolt the track rod bracket from the frame
6. Using a 18mm socket and 15mm wrench, remove the sway bar links from the sway bar, and the frame mounts on the frame rail.
7. Using a 18mm socket and wrench, remove the factory shock absorbers.
8. Leaf spring removal is done one side at a time starting with the drivers side. Position the floor jack under the driver side knuckle. Slightly load the jack so that it supports, not raises the axle. Make sure the frame rails are still secure on the frame stands.
9. Using a 22mm socket, remove the leaf spring u-bolts that secure the spring to the axle. Now remove the spring plate/ shock plate and the bottom u-bolt cradle. See Figure 1
10. Using a 21mm and a 24mm wrench, remove the spring shackle bolt and swing the shackle back away from the spring.
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