2017-2019 Powerstroke 4" Coilover Radius Arm Lift Kit (BDS1520F)

Click here to customize this Kit

Fits 

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.

Part Number: BDS1520F

• Fox 2.5 Coil-Overs
• Track Bar Relocation
• Traditional frame-mounted design to center the axle and put track bar angle in phase with the drag link
• Drop Pitman Arm
• Relocates drag link by flipping tie rod position from top-down to bottom-up while also dropping the mount position
• Replacement Single Steering Stabilizer
• Includes mounting kit, a required component since the drag link is now flipped causing the factory stabilizer mount taper to face the wrong direction
• Front Sway Bar Relocation
• Frame-mounted brackets to properly reposition the sway bar Front Bump Stop Extensions
• Relocates the bump stop position at the frame
• Front Brake Line Drop Brackets
• Relocates lines for proper slack while minimizing the amount the lines need to be reformed
• Full Replacement HD Radius Arms
• Same design as used in the 11-16 model 2.5" lift systems. Repositions axle and sets caster properly for 4" of lift.
• Rear 5" block and u-bolts levels the stance to match the front & includes an integrated bump stop wing
• Allows for the fitment of 37" tires. 

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"

• 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

• Click Here For Installation Instructions
• Difficulty: 3 (where 1 = easiest and 5 = complicated)