Zone Offroad 6 Inch Radius Arm Lift Kit with Nitro Shocks For 2011–2016 Ford F-250/F-350 6.7L 4WD with Factory Overload

SKU: ZONF31N

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$1,448.45
$1,448.45

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Upgrade your Super Duty with the Zone Offroad 6” Radius Arm Lift Kit with Nitro Series shocks, designed for 2011–2016 Ford F-250 and F-350 4WD diesel trucks equipped with factory overload springs. This complete suspension system delivers aggressive stance, improved ground clearance, and the strength needed to clear up to 37” tires while maintaining excellent ride quality and dependable control on and off the road.

Built with heavy-duty 1/4” steel radius arms and paired with nitrogen-charged Nitro Series twin-tube shocks, this kit corrects caster geometry, increases tire clearance, and enhances suspension performance compared to traditional drop bracket kits. Application-specific valving, included steering components, sway bar relocation brackets, and rear add-a-leafs provide a balanced, level stance with improved load capacity and confident, predictable handling.

Features:

  • Heavy-duty 1/4” steel radius arms improve strength and ground clearance
  • Nitro Series shocks provide controlled ride quality and durability
  • Nitrogen-charged twin-tube shocks reduce fade and improve stability
  • 10-stage velocity-sensitive valving for balanced on- and off-road performance
  • Brake line relocation brackets retain factory brake lines
  • Dual rear add-a-leafs increase lift and improve rear load capacity
  • Sway bar relocation brackets maintain proper operating angle
  • Steering components included for factory-like steering response

Specifications:

  • Brand: Zone Offroad
  • Lift Height Front: 6 inches
  • Lift Height Rear: 4 inches
  • Front Lift Method: Coil springs and radius arms
  • Rear Lift Method: Block and add-a-leaf
  • Shock Type: Nitro Series twin-tube
  • Shock Charge: Nitrogen-charged
  • Shock Valving: 10-stage velocity-sensitive
  • Shock Finish: Black powder coat
  • Drive Type: 4WD
  • Engine Compatibility: 6.7L Power Stroke Diesel
  • Overload Spring Requirement: Factory overload (3-leaf)
  • Maximum Tire Size: 37 x 12.5 inches

Included: 

  • (2) Radius Arms 
  • (2) Front Coil Springs 
  • (2) Nitro Series Front Shocks 
  • (2) Nitro Series Rear Shocks 
  • (2) Rear Add-A-Leafs 
  • (1) Rear Lift Block 
  • (1) U-Bolt Kit 
  • (1) Dropped Pitman Arm
  • (1) Sway Bar Relocation Bracket Set 
  • (1) Brake Line Relocation Bracket Set
  • (1) Hardware Pack

Fitment:

  • 2011-2016 Ford F-250 Super Duty 4WD 6.7L Diesel w/ Factory Overload
  • 2011-2016 Ford F-350 Super Duty 4WD 6.7L Diesel w/ Factory Overload

Note:

  • 3 Year Warranty
  • Factory wheels are compatible when used with factory or OEM tire sizes
  • Replacing the factory rear block is required to achieve proper ride height
  • Minor driveline vibration is rare but may require adjustment or modification
  • This kit is not intended for dually models, though adaptation may be possible
  • A carrier bearing drop is recommended for vehicles with a two-piece driveshaft

Product Specs

SKU:
ZONF31N
Brand:
Zone Offroad

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