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Zone Offroad - 4" Radius Arm Suspension System

ZONF21/F22
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.
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978.597.8432

Description

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

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