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Zone Offroad 4″ Coil Springs Lift Kit 2011, 2012, 2013, 2014, 2015, 2016 Ford F250/F350

Part: F16/F17/F18/F19

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. Optional 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.

Featured Technology & Benefits

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

Important 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 carrier bearing drop 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.

This product fits the following applications:

  • 2011 Ford F250 4WD
  • 2012 Ford F250 4WD
  • 2013 Ford F250 4WD
  • 2014 Ford F250 4WD
  • 2015 Ford F250 4WD
  • 2016 Ford F250 4WD
  • 2011 Ford F350 4WD
  • 2012 Ford F350 4WD
  • 2013 Ford F350 4WD
  • 2014 Ford F350 4WD
  • 2015 Ford F350 4WD
  • 2016 Ford F350 4WD

Quick Specs

  • Front Lift Height: 4″
  • Front Lift Method: Coil Springs
  • Rear Lift Height: 3″
  • Rear Lift Method: Block Kit
  • Install Time Hrs: 6
  • Difficulty Level 1-5: 2
  • Wheel Size: 17 & up
  • Back Spacing: 4.5″
  • Max Tire Size: 35 X 12.50
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Zone Offroad 4″ HD Replacement Radius Arms Lift Kit 2013, 2014, 2015, 2016, 2017 Ram 3500 (GAS)

Part: D65

Zone Offroad 2013-17 Ram 3500 (Gas, Including 6.4L Models) 4″ Radius Arm Suspension Lift System. The new Ram 3500 gives new meaning to “Heavy-Duty”.

Holding true to that we have developed a lift system centered around two new massive radius arms to replacement the factory arms. The new arms are fully boxed, internally gusseted and designed to bolt in the factory location while adjusting the suspension geometry for 4″ of lift.

The arms utilize extra large, greaseable bushings at the frame and are designed to use the factory alignment cams at the axle. They are formed for maximum tire clearance. Lastly, they just flat-out look cool and are a nice upgrade from the standard radius arm drop systems.

In addition to the new radius arms, like our other new Ram kits, this system gets progressive rate front coils, track bar relocation and steering correction. Out back there is a lift block and u-bolts to level everything out. Standard or Nitro shocks are available.

Featured Technology & Benefits

  • Heavy Duty Internally Gusseted Radius Arms
  • Progressive Rate Front Coil Springs
  • Correct Suspension Geometry

Important Notes!

  • *Kit images show upgraded Nitro (black) shocks*
  • Although very rare, front driveline vibration may occur at speeds over 35 mph when in 4WD. If this occurs, install the appropriate optional t-case indexing kit. Optional t-case indexing ring kit recommended to reduce front driveline angle. Models with a 6 bolt transfer case use part # D5623. Models with an 8 bolt transfer case use part #D5813.
  • Vehicles equipped with a two piece drive shaft and a carrier bearing require bearing drop kit D5405.
  • Not designed for dually models.
  • Not designed for factory rear airbag suspension models.
  • Fits 6.4L Gas Engine Models.

This product fits the following applications:

  • 2013 Dodge/Ram Ram 3500 4WD Gas
  • 2014 Dodge/Ram Ram 3500 4WD Gas
  • 2015 Dodge/Ram Ram 3500 4WD Gas
  • 2016 Dodge/Ram Ram 3500 4WD Gas
  • 2017 Dodge/Ram Ram 3500 4WD Gas

Quick Specs

  • Front Lift Height: 4″
  • Front Lift Method: HD Replacement Radius Arms
  • Rear Lift Height: 3
  • Rear Lift Method: Block
  • Install Time Hrs: 6
  • Difficulty Level 1-5: 3
  • Wheel Size: 17×9+
  • Back Spacing: 4.5″
  • Max Tire Size: 35 X 12.50
  • Wheel Size: 17×9+
  • Back Spacing: 5.625″
  • Max Tire Size: 37 X 12.50
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Zone Offroad 4″ Radius Arm System Lift Kit 2005, 2006, 2007 Ford F250/350

Part: F21/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.

Featured Technology & Benefits

  • 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.

Important 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 driveshafts may required the carrier bearing to be lowered. If requried, order part # ZONF5401.

This product fits the following applications:

  • 2005 Ford F250 4WD Gas/Diesel
  • 2006 Ford F250 4WD Gas/Diesel
  • 2007 Ford F250 4WD Gas/Diesel
  • 2005 Ford F350 4WD Gas/Diesel
  • 2006 Ford F350 4WD Gas/Diesel
  • 2007 Ford F350 4WD Gas/Diesel

Quick Specs

  • Front Lift Height: 4″
  • Front Lift Method: Radius Arm System
  • Rear Lift Height: 3″
  • Rear Lift Method: Block kit
  • Install Time Hrs: 6
  • Difficulty Level 1-5: 2
  • Wheel Size: 17 x 9
  • Back Spacing: 4.5″
  • Max Tire Size: 35 x 12.50
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Zone Offroad 4″ Radius Arm Lift Kit 2011, 2012, 2013, 2014, 2015, 2016 Ford F250/F350 (NOT EQUIPPED WITH FACTORY OVERLOAD SPRINGS)

Part: F25/F26

The new Zone Offroad 2011-16 Ford Super Duty 4″ radius arm suspension lift features tough replacment radius arms that are considerably stronger, made of 1/4″ steel, fully boxed, and utilizing large 2-1/2″, greasable urethane bushings. The arms bolt directly into the stock location, and position the axle for the proper caster and wheel location. The lower mount point at the axle utilizes our popular cam lock design, making it adjustable for 4″ or 6″ of lift.

Engine specific front coil springs 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 (hardness) urethane bushings for long term performance and improved handling.

The rear is lifted with a 5″ block used to replace the factory block instead of stacking blocks. This system is also one of the easiest installations on the market becuase of the use of a front track bar and rear block kit. If you are looking to not only lift your Super Duty, but improve the looks, strength, and feel of your suspension, choose the Zone Offroad radius arms system.

Featured Technology & Benefits

  • 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 zinc plated rear u-bolts with high nuts & hardened washers.
  • Rear 5″ block kit to eliminate the factory block – NO stacking blocks!
  • Optional Performance custom valved Zone Shocks available or Bilstein 5100 or FOX shocks.

Important 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 drivshaft 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.

This product fits the following applications:

  • 2011 Ford F250 4WD
  • 2012 Ford F250 4WD
  • 2013 Ford F250 4WD
  • 2014 Ford F250 4WD
  • 2015 Ford F250 4WD
  • 2016 Ford F250 4WD
  • 2011 Ford F350 4WD
  • 2012 Ford F350 4WD
  • 2013 Ford F350 4WD
  • 2014 Ford F350 4WD
  • 2015 Ford F350 4WD
  • 2016 Ford F350 4WD

Quick Specs

  • Front Lift Height: 4″
  • Front Lift Method: Coil Springs
  • Rear Lift Height: 3″
  • Rear Lift Method: Block Kit
  • Install Time Hrs: 6
  • Difficulty Level 1-5: 2
  • Wheel Size: 17 x 9
  • Back Spacing: 4.5″
  • Max Tire Size: 35 x 12.50
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