6-Inch Lift Kit with M1 Shocks for F-250 Super Duty 4WD (2011-2014)
- Fits 2011-2014 Ford F-250 Super Duty 4WD diesel models — XL through Platinum
- Will not work on F-350, dually, or gas-engine trucks, or trucks with rear factory contact overload springs
- Kit contents: two M1 monotube shock pairs, 6-inch front D-coils, two radius arm upgrade boxes, block and U-bolt kit
- Radius arms keep factory angles and add an axle-end alignment cam for caster adjustment
- Bolt-on installation — downloadable installation guide available
The Trail Fortress check
Will it fit your truck?
✓ Fits
✕ Does not fit
- Dually models
- Gas engine models
- Models equipped with rear factory contact overload springs
Does NOT F-350 models. Fitment on this page is based on the manufacturer’s application data.
About this kit
6-Inch Lift Kit with M1 Shocks, fitment-checked
Rough Country 54140 is a 6-inch lift kit for diesel 2011-2014 Ford F-250 Super Duty 4WD trucks, built around M1 monotube shocks, front coil springs, upgraded radius arms, and fabricated rear blocks with U-bolts. It does not fit F-350, dually, or gas-engine trucks, or trucks with rear factory contact overload springs.
This 6-inch lift kit for the 2011-2014 Ford F-250 Super Duty 4WD covers XL, XLT, Lariat, King Ranch, and Platinum diesel trims. The kit ships with two pairs of M1 monotube shocks valved for this application, a 6-inch front coil set, two radius arm upgrade boxes with rubber-bushed arms and an axle-end cam for caster adjustment, and fabricated rear blocks with a U-bolt kit for trucks without overloads. Assembly is bolt-on, and a downloadable Rough Country installation guide is available. Confirm engine and rear-spring configuration against the exclusion list before ordering.
What’s in the box
Kit contents
- 1× Diesel Kit Box 1540BOX1
- 1× Block U-Bolt Kit No Overloads 1564BOX4
- 1× M1 MONOTUBE SHOCK PAIR 770754P
- 1× M1 MONOTUBE SHOCK PAIR 770762P
- 1× 6in D-Coil 9295
- 1× Radius Arm Upgrade Box 53600991A
- 1× Radius Arm Upgrade Box 53600992A
Rough Country shares subassemblies across kits, so individual package labels can carry broader application ranges. The complete 54140 kit fits the vehicles shown in the fitment section above.
Specifications
Specs
| Brand | Rough Country |
| Part number | 54140 |
| UPC / GTIN | 00840269917868 |
| Lift height | 6 in |
| Shock package | M1 series |
| Shipping weight | 243 lb |
| Country of origin | US |
| Category | Suspension & Lift Kits › Lift Kits |
| Installation guide | Downloadable PDF |
Why buy here