2017-2019 Powerstroke 4" Coilover Radius Arm Lift Kit (BDS1520F)
Built to take full advantage of the factory suspension design, these 4" radius arm systems paired with Fox 2.5 Series Remote Reservoir Coilovers correct suspension, steering, and driveline geometry with room for 37" tires. The arms bolt into the factory mounting points and reposition the front axle to correct the caster angle. Only the best quality materials & relevant parts go into BDS Kits; which means less maintenance, less time looking, and less confusion for you. Everything you need to take your new Super Duty to the next level.
Tire & Wheel Combinations:
- 37 x 12.50 w/ 17 x 9 and 4.5" - 5"
- 37 x 12.50 w/ 18 x 9 and 4.5" - 5"
- 37 x 12.50 w/ 20 x 9 and 4.5" - 5"
Notes:
- Diesel Model Only
- If equipped with a 2-piece rear driveshaft, a Carrier Bearing Drop Kit may be required (BDS123402)
- 37 x 12.50 tires may require minor trimming.
- Some models may be factory equipped with a 2-leaf main rear leaf spring pack and others a 3-leaf main. Be sure to order the correct option when customizing your kit.
- If your truck is equipped with a factory rear sway bar add: 123005
Installation:
- Click Here For Installation Instructions
- Difficulty: 3 (where 1 = easiest and 5 = complicated)
Part Number: BDS1520F

Front Fox 2.5 Remote Reservoir Coilovers
When you want the best in performance and capability, go with FOX. These race-proven FOX 2.5 factory series remote reservoir coilovers up the ante allowing for next-level damper capability and control all neatly packaged. Designed for bolt-on installation, the engineers at BDS and FOX teamed up to offer this race-winning technology into a bolt-on, pre-tuned Coilover designed to perform and provide correct ride height right out of the box. From valving to spring rate, preload, and hose length these FOX coilovers are designed to take all the guesswork out of setting your vehicle up and are designed to be used with BDS lift systems. These coilovers use a large 2.5" body, 3" coil springs, 7/8" hardened carbon steel shaft, high flow piston, JM92 advanced racing shock oil, CNC machined 6061 T6 ends, and external remote reservoir to improve damper capability across any terrain.
Show more

Front Fox 2.5 Series Remote Reservoir Coilovers w/ DSC
Show more

Coilover Mounting Kit
Show more
4" Front Box Kit
This Box Kit includes the following products:
- Pitman Arm
- Driver & Passenger Side Brakeline Bracket
- Front Bump Stop Extension - 4"
- Driver & Passenger Side Sway Bar Drop
- Track Bar Bracket
- Bag Kit
- Track Bar Cam Washer
- 1/8" x 1-1/8" cotter pin
- Zip Ties
- Bolt Pack - Sway Bar Drop Bracket
- Bolt Pack - Bump Stops
Show more

Radius Arm Kit
Show more
Note:
Some F250/350 factory options increase the main leaf pack count from 2 to 3 leafs (this is for top overload options only). Be sure to verify which factory leaf spring configuration your vehicle has and choose the appropriate option below.
https://bds-suspension.com/images-prod/reference/17_f250_r-spring_2leaf.jpg

5" Rear Block Kit w/ 2 Leaf Main
Note:
- Choose this option if your vehicle is factory equipped with a 2-leaf main rear leaf spring pack
Show more

5" Rear Block Kit w/ 3 Leaf Main
Choose this option if your vehicle is factory equipped with a 3-leaf main rear leaf spring pack
Show more