It's time to upgrade your Ford! The revolutionary new Zone 4" system features new front leaf springs that are designed to not only ride great, but will hold up over the long haul. A 1-1/4" solid steel track bar is included to properly center the axle after lifting. This track bar features new oversized urethane bushings for long term performance. The shocks were custom valved to work perfectly with the new Zone leaf springs to increase off road performance while still offering unmatched on road ride quality. 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.
Featured Technology & Benefits
New front leaf springs with bolt style leaf alignment clamps, anti-friction pads, OE style rubber bushings and tapered leaves for long term performance and great ride qualtiy
1-1/4" Solid steel track bar with urethane mounts to properly center the axle
New front & Rear U-bolt with high nuts & washers
Rear 3" Block kit
Performance custom valved Zone Shocks included
Important Notes!
Dually applications will require different rear 3-7/8" I.D. u-bolts
Will not fit vehicles manufactured before 3-1-1999 with 5/8" track bar bolt head size.
Vehicles equipped with 2 piece rear driveshafts may require the carrier bearing to be lowered.
If vehicle is equipped with rear top mounted overload springs 4 of u-bolt part number UBT4035 may be required. Selecting the Ubolt option below will add four (4) UBT4035s to the base kit.
Trucks equiped with gas engine may achieve a slightly higher front stance.
If truck is equipped with curved/radiussed style front ubolts order kit # F1. If truck is equipped with square style front ubolts order kit # F2.
This product fits the following applications:
99 Ford F250 4WD Gas/Diesel
00-04 Ford F250 4WD Gas/Diesel
99 Ford F350 4WD Gas/Diesel
00-04 Ford F350 4WD Gas/Diesel
Quick Specs
Front Lift Height: 4?
Front Lift Method: Leaf Springs
Rear Lift Height: 3?
Rear Lift Method: Block Kit
Install Time Hrs: 6
Difficulty Level 1-5: 2
Wheel Size: 16 x 10
Back Spacing: 4?
Max Tire Size: 35 x 12.50
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