RS999042 Rancho RS9000 XL Shocks for 2018-2020 Ford F-550 Super Duty

RS999042 Rancho RS9000 XL Shocks for 2018-2020 Ford F-550 Super Duty

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RS999042 Rancho RS9000 XL Shocks for 2018-2020 Ford F-550 Super Duty 

The Rancho® RS9000™XL 9-position adjustable series delivers nine levels of performance to on- and off-road trucks, SUVs and Jeeps. Globally recognized as the first 9-position manually adjustable ride control series in the off-road market, the advanced RS9000XL series is ideal for on- and off-road use, towing and more. The adjustable damping enhances ride characteristics by counteracting the additional unsprung mass inherent in larger tire and wheel combinations. Engineered and manufactured in the U.S., all RS9000XL series units are covered by a 90-Day Free Ride Offer and Limited Lifetime Warranty.

  • Large, 2.75-in. (70mm) tri-tube body*
  • Large, heavy-duty 18mm Nitro-Carb rod
  • 9-position tuning technology
  • 9-Position adjustment knob
  • Gas pressurization of shock
  • Graphite-filled, Fluon banded piston
  • 1-1/4-in. Diameter Sintered Iron piston
  • Compressed 13.95"
  • Extended 20.61
  • Travel 6.66
  • Low-Friction, self-lubricating seal
  • UPC 039703090421
  • Free Shipping in the Lower 48 United States; all others inquire within
  • Sold Individually


2005 -2020 Ford F-250 Super Duty 4WD

2005-2020  Ford F-350 Super Duty 4WD

2018-2020 Ford F-450 Super Duty 

2018-2020 Ford F-550 Super Duty


This product may contain a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.  Go to for more information.