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ACCESSORIES
ZONE
F250 and F350 11-16 4in Suspension System
F250 and F350 11-16 4in Suspension System
 
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Description:

Zone Features:

1. New front coil springs capable of full coil bind offering off-road performance and great ride quality
2. Radius arm drop brackets included to properly rotate the front axle
3. 1-1/2 inch Solid steel track bar with urethane mounts to properly center the axle
4. New rear U-bolt with high nuts & washers
5. Rear 5 inch Block kit to eliminate the factory block - NO stacking blocks!
5. Performance custom valved Zone Shocks included

NOTES:

Removal of the factory rear block is required. Net rear height gain will vary based on size of the factory block, but will result in a level stance.
If equipped with a 2-piece rear drive shaft, then a driveshaft alignment kit may be required. It is available in the optional accessories (part # F5401).
Although extremely rare, front and/or rear drive line vibration may occur.
Rear box kit not designed for dually models.
Front exhaust modification may be required to clear the front driveshaft on gas models.

QUICK SPECS:

Installation skill level: 2 of 5

Estimated install time: 6 hrs

Max tire size: 35x12.50
Wheel size: 17 and up
Back Spacing: 4.5 inch

This Fits the Following Applications:

11-16 Ford F250 4WD
11-16 Ford F350 4WD

The revolutionary new Zone 4" system features new front coil springs that are designed to not only ride great, but will hold up over the long haul. A 1-1/2" solid steel track bar is included to properly center the axle after lifting. This track bar features new oversized, high-durometer urethane bushings for long term performance. The shocks were custom valved to work perfectly with the new Zone coil springs to increase off road performance while still offering unmatched on road ride quality. The rear kit comes with 5" blocks to replace your factory blocks so there is not stacking of blocks when you are in the Zone. This reduces rear axle wrap compared to other similar systems on the market. With the front replacement track bar and the rear block kit, this system is one of the easiest installations on the market for a 4" system.


Add Part# Description QTY Retail Price Sale Price
F16A 4" Suspension System 11-16 FORD F-250 799.95 799.95
F16NA 4" Suspension System with Nitro Shocks 11-16 FORD F-250 827.23 827.23
F16B 4" Suspension System 11-16 FORD F-350 799.95 799.95
F16NB 4" Suspension System with Nitro Shocks 11-16 FORD F-350 827.23 827.23
F18A 4" Suspension System 11-16 FORD F-250 799.95 799.95
F18NA 4" Suspension System with Nitro Shocks 11-16 FORD F-250 827.23 827.23
F18B 4" Suspension System 11-16 FORD F-350 799.95 799.95
F18NB 4" Suspension System with Nitro Shocks 11-16 FORD F-350 827.23 827.23

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