Rough Country 2017-2019 F-250 4WD w/ 4″ Rear Axles, 6″ 4-Link Suspension Lift Kit (Overload Spring Models) – RCS 50820


Product Highlights:

Gain greater travel and improved handling while adding ground clearance and aggressive style with Rough Country’s 4-Link F-250 Lift Kit. This innovative kit allows you to replace your factory arms with a 4-Link setup, using Rough Country’s durable, fixed upper arms and adjustable lower control arms. A set of radius arm drop brackets maintain proper geometry and allow for proper caster setting, which is crucial to maintain factory handling. This kit includes a set of lifted coil springs, radius arm drop-brackets, and ultra-durable, fabricated Anti-wrap rear blocks that prevent binding and axle wrap. This kit also includes stainless steel extended brake lines and brake line brackets to ensure you have everything you need to install your lift. Best of all, this kit features Rough Country’s Nitrogen-Charged N2.0 Shock Absorbers for the ultimate balance in off-road performance and a smooth highway ride. Includes Rough Country’s Lifetime Replacement Warranty. Rough Country’s 6-inch 4-Link Suspension Lift Kit (Diesel Engine Overload Spring Models w/ 4-inch Rear Axles) – 50820

Vehicle Fitment

Ford: 17-19 F250 Super Duty 4WD

  • Only fits models w/ factory overload springs
  • Does NOT fit manual transmission models
  • Does not fit F350 models
  • Fits diesel engine models w/ 4-inch rear axles only
  • Wheel Backspacing (Inches): 4.5
  • Recommended Tire Size: 37-by-12.50 R17

Key Features:

  • Easy bolt-on installation
  • Increased ground clearance
  • Levels the front with the rear of the vehicle
  • Radius arm drop brackets allow for properly set caster – Proper caster is crucial to maintaining factory handling and driveability
  • Includes application valved N2.0 series shocks which offer the best in balanced performance for on and off-road use
  • Specially designed anti-axle wrap rear blocks maintain stock ride quality while eliminating common lift block problems
  • New fabricated lift block replaces the factory equipped lift block
  • Install Time(Hours): 6-8


  • Front: Lifted coil springs, fixed upper control arms, clocking ring kit, adjustable lower control arms, radius arm drop brackets, sway bar drop brackets, track bar drop bracket, stabilizer relocation brackets, pitman arm, brake line brackets, bump-stop spacers, and hardware
  • Rear: Fabricated anti-wrap blocks, carrier bearing drop bracket, brake line brackets, U-bolts, and hardware
  • Shocks: (4) Premium N2.0 Shocks