Overview
The Pro Comp K4177B is a 6-inch Stage I lift kit with ES9000 shocks for the 2011–2016 Ford F-250 Super Duty. It raises the front with specific rate coil springs and radius arm drop brackets, and the rear uses lift blocks, U-bolts and add-a-leafs.
Pro Comp describes the Stage I radius arm drop brackets as a way to maintain factory ride quality. A drop Pitman arm sets the steering correction, and a front track bar bracket and sway bar links are included in the front package.
Key features
- 6-inch lift height from a Stage I kit
- Specific rate coil springs
- Radius arm drop brackets
- Drop Pitman arm steering correction
- Front track bar bracket and sway bar links
- Lift blocks, U-bolts and add-a-leafs at the rear
Specifications
| Brand | Pro Comp Suspension |
|---|---|
| Part number | K4177B |
| UPC | 70000538257 |
| Lift height | 6 inch (lift height range 5 to 6.99 inches) |
| Lift kit stage | Stage 1 |
| Suspension type | Radius arm or radius arm brackets |
| Front lift | Specific rate coil springs and spacers |
| Steering correction | Pitman arm |
| Rear lift | Lift blocks, U-bolts and add-a-leaf |
| Front shocks | ES9000 |
| Rear shocks | ES9000 |
Vehicle fitment
Pro Comp lists this kit for the 2011–2016 Ford F-250 Super Duty, in the King Ranch, Lariat, Platinum, XL and XLT versions.
The list covers the 2011 through 2016 model years only. Confirm your vehicle’s year, model and trim before ordering.
Installation notes
The radius arm drop brackets and Pitman arm affect the steering and front suspension, so schedule an alignment and a driveline angle check after installation.
What’s included
The kit includes specific rate coil springs and spacers, radius arm drop brackets, the drop Pitman arm, the front track bar bracket, sway bar links, lift blocks, U-bolts and add-a-leafs, and ES9000 front and rear shocks.
