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ZONE
F250 and F350 DIESEL 05-07 4in Radius Arm Suspension System
F250 and F350 DIESEL 05-07 4in Radius Arm Suspension System
 
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Description:

Zone Features:

1. Front coil springs offering off-road performance and great ride quality that will not sag.
2. 1/4" boxed steel radius arms, utilizing 2 1/2" greasable urethane bushings.
3. 1-1/2" Solid steel track bar featuring specifically engineered bushings.
4. Yellow zinc plated rear u-bolts with high nuts & hardened washers.
5. Rear 5 inch block kit to eliminate the factory block - NO stacking blocks!
6. Performance custom valved Zone Shocks included.

NOTES:

If vehicle is equipped with rear top mounted overload springs 4 of u-bolt part number UBT4035 may be required.
Dually trucks will require different rear u-bolts.
Vehicles equipped with 2 piece rear driveshaft may require the carrier bearing to be lowered. If required, order part # ZONF5401.

QUICK SPECS:

Installation skill level: 2 of 5

Estimated install time: 6 hrs

Max tire size: 35x12.50
Wheel size: 17x9
Back Spacing: 4.5 inch

This Fits the Following Applications:

05-07 Ford F250 4WD Gas/Diesel
05-07 Ford F350 4WD Gas/Diesel

The 4" Super Duty Radius Arm Systems include everything you need and more, including bullet proof radius arms made with 1" steel for optimal ground clearance compared to other drop bracket kits on the market, and gas or diesel specific coils that are made in America that will not sag. A 1-1/2" steel track bar is included in the 4" system to properly align the front axle after lifting. To avoid stacking rear blocks or going too tall with a single block, Zone includes a 5" cast iron block with an integrated bump stop.


Add Part# Description QTY Retail Price Sale Price
F21A 4" Radius Arm Suspension System 05-07 FORD F-250 1055.95 1055.95
F21NA 4" Radius Arm Suspension System with Nitro Shocks 05-07 FORD F-250 1083.23 1083.23
F21B 4" Radius Arm Suspension System 05-07 FORD F-350 1055.95 1055.95
F21NB 4" Radius Arm Suspension System with Nitro Shocks 05-07 FORD F-350 1083.23 1083.23

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