Zone Offroad F23N  Ford F250, F350 Radius Arm lift kit

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2008-10 4WD Ford F250, F350 Super Duty 4" radius arm lift kit, Nitro shocks

Product No: F23N ZN

Availability: In stock

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Important Notes

* Vehicles with a 2-piece rear driveshaft may require carrier bearing drop kit ZONF5401.
* Removal of the factory rear block is required. Net rear height gain will vary based on size of the factory block, but will typically result in a level stance.
* If your vehicle is equipped with both a stock 4" rear block and a top mounted overload springs, longer u-bolts may be required. Order (4) ZONU4035
* Front exhaust modification may be required to clear the front driveshaft on gas models.

Quick Overview

Designed to be easier to install than other 4” lift kits on the market, this Zone Offroad lift kit features replacement radius arms that are considerably stronger than factory. They are constructed using ¼” steel and are fully boxed using large 2.5” greasable urethane bushings. By bolting directly to the stock location, they position the axle for proper caster and wheel location. By utilizing the Zone cam lock design, the lower mount point at the axle allows adjustment from 4” to 6” of lift. The solid steel track bar has oversized, high durometer urethane bushings for improved handling and long term performance. To improve the looks of your F250 or F350 Super Duty, add strength and feel or your suspension, the Zone Offroad radius arm system is the one you want. This is a "top shelf" lift kit without the top shelf price.

  • Front engine specific coil springs offer off-road performance and great ride quality
  • 1/4" boxed steel radius arms, utilizing 2-1/2" greasable urethane bushings
  • 1-1/2" Solid steel track bar featuring specifically engineered bushings
  • Yellow zinc plated front & rear u-bolts with high nuts & hardened washers
  • Rear 5" block kit to eliminate the factory block - NO stacking blocks!
  • Performance custom valved Zone Shocks included
View kit installation instructions

Required and/or Related Items

    • Make: Ford
    • Model: F250
    • Vehicle: 2008-10 F250 4" radius arm lift kit, Nitro shocks
    • 2or4: 4WD
    • Tire Size: 35x12.50 on 17x9 rims, 4.5" BS
    • Upsell: ZONF5401, ZON7350, ZONU4035


Zone Offroad 4" lift kit fits following models:
2008 F250 F350 Super Duty
2009 F250 F350 Super Duty
2010 F250 F350 Super Duty

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