3-Inch Lift Kit with M1 Shocks for Ford Super Duty 4WD
- Listed for 2023-2026 Ford F-250 and F-350 Super Duty 4WD, XL through Limited trims — review all exclusions below
- Kit contents: radius arm drop brackets, rear block and U-bolt kit, and M1 monotube shock pairs
- Does not fit dually models, 4-inch rear axle tubes, or the Tremor Factory Trim Package; the note also lists F-350 models
- Factory top-mount overload spring must be removed during installation
- Bolt-on install — downloadable installation guide available
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Dually models
- 4" rear axle tubes
Does NOT F-350 models. Does NOT work on models equipped with Tremor Factory Trim Package. If equipped with factory top mount overload spring it will need to be removed. Fitment on this page is based on the manufacturer’s application data.
About this kit
3-Inch Lift Kit with M1 Shocks, fitment-checked
Rough Country 43440 is a 3-inch lift kit for the 2023-2026 Ford F-250 and F-350 Super Duty 4WD. It pairs radius arm drop brackets with a rear block and U-bolt set and M1 monotube shocks front and rear. Dually configurations, 4-inch rear axle tubes, and trucks with the Tremor Factory Trim Package are not covered, and the fitment note also calls out F-350 models — check your configuration before ordering.
This 3-inch lift kit for the 2023-2026 Ford F-250 and F-350 Super Duty 4WD is listed for XL, XLT, Lariat, King Ranch, Platinum, and Limited trims. It bolts on and uses radius arm drop brackets so caster can be set properly, which is what keeps steering feel close to stock; the rest of the package is a rear block and U-bolt kit plus M1 monotube shock pairs. Read the exclusions closely: no dually models, no 4-inch rear axle tubes, no Tremor Factory Trim Package, and the note also lists F-350 models. A factory top-mount overload spring has to come off during the build. Shipping weight: 97 lb.
What’s in the box
Kit contents
- 1× Block & U-Bolt Kit 1502BOX2
- 1× No Shock Kit Box 43400992
- 1× Kit Box 50220BOX1
- 1× M1 MONOTUBE SHOCK PAIR 770804P
- 1× M1 MONOTUBE SHOCK PAIR 770839P
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 43440 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 43440 |
| UPC / GTIN | 00840269933745 |
| Lift height | 3 in |
| Shock package | M1 series |
| Shipping weight | 97 lb |
| Country of origin | US |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here