6-Inch Lift Kit with N3 Shocks for Ford Super Duty 4WD (2017-2022), Part 51320

6-Inch Lift Kit with N3 Shocks, fitment-checked

N3 shocks anchor this 6-inch lift kit for 2017-2022 Ford F-250 and F-350 Super Duty 4WD (Rough Country 51320). Diesel-only fitment: gas engines, duallys, manual shift transfer cases, 3.5-inch rear axle tubes, factory contact overload springs, and the Tremor package are all outside the fitment.

Built around application-valved N3 series shocks, this 6-inch lift kit for the 2017-2022 Ford F-250 and F-350 Super Duty 4WD fits XL, XLT, Lariat, King Ranch, Platinum, and Limited trims shown in the fitment section. Inside the box: a 6-inch front coil package, a 4.5-inch fabricated rear block and U-bolt kit for models without overloads, universal U-bolts, and a transfer case clocking kit. The fabricated rear blocks are shaped to limit axle wrap, and radius arm drop brackets bring caster back into spec. Check engine, axle tube, and transfer case configuration against the exclusion list, then follow the downloadable installation guide.