Elevate your F-350 Dually with BDS Suspension's precision-engineered 4" lift system featuring FOX 2.5 coil-over technology and a robust 4-Link conversion. This advanced suspension architecture delivers superior articulation and stability across varied terrain while maintaining refined on-road composure. The integrated FOX dampers provide progressive damping characteristics that adapt to dynamic load conditions, critical for dually applications. Accommodate up to 37-inch tires and achieve the aggressive stance your truck demands. Purpose-built for diesel Super Duty performance, this kit transforms capability without compromising ride quality.

Features

• Adds additional secondary FOX 2.0 shock for max performance
• Eibach coil springs ride smooth through the roughest terrain
• Heavy duty 4-Link control arms offer improved handling, stability, strength and caster control during wheel travel
• Track bar relocation bracket and pitman arm maintain proper steering angles for improved handling
• Fabricated steel blocks provide level stance from front to rear
  

Shock Features

• Increased off-road capabilities
• Easily adjust your shock for terrain, load and speed
• 2.5-inch Impact extruded aluminum body
• Massive 7/8-inch hard chrome plated heat-treated alloy steel shaft
• External reservoir design separates shock oil from the high-pressure nitrogen
• DSC - Dual Speed Compression Adjuster comes standard
• Fully serviceable for a lifetime of use
• 1-year Manufacturer's Warranty

Notes

• Removal of the factory leaf spring block is required. The net rear lift will vary depending on the height of the factory block but will result in a level stance.
• If equipped with a 2-piece rear driveshaft, a Carrier Bearing Drop Kit may be required (BDS123402)
• Torque wrench capable of 405 ft-lbs required.
• 37 x 12.50 tires may require minor trimming.

Specifications

• Front Lift Method : Coil-Over
• Front Lift Height : 4"
• Rear Lift Method : Block
• Rear Lift Height : 2"
• Shocks Included : Yes
• Lift Height : 4-5.5"

Tire Fitment

• 37 x 12.5 with and in. Backspace