2017-2019 Powerstroke DRW F350 4" Radius Arm Coilover Lift Kit (BDS1575F)
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:
- 37x12.50 w/ 17x9 and 4.5"-5"
- 37x12.50 w/ 18x9 and 4.5"-5"
- 37x12.50 w/ 20x9 and 4.5"-5"
Notes:
- Minor trimming may be necessary for clearance of 37x12.50 tires on certain wheel setups
- Installation requires a torque wrench capable of 405 ft-lbs
Installation:
- Click Here For Installation Instructions
- Difficulty: 5 (where 1 = easiest and 5 = complicated)
Part Number: BDS1575F

Front Fox 2.5 Series 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.
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Front Fox 2.5 Series Remote Reservoir Coilovers w/ DSC
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2.5-8" Lift Coilover Mounting Kit
This Box Kit includes the following products:
- Lower Coilover Mounts
- Upper Coilover Mounting Brackets
- Zip Ties
- 2” Bump Stop (2.5” Kit)
- 2 Bolt Packs
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4" Front Box Kit
This Box Kit includes the following products:
- Pitman Arm
- Driver & Passenger Side Brakeline Bracket
- Driver & Passenger Side Sway Bar Drop
- Front Bump Stop Extension - 4"
- 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
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Radius Arm Kit
This Box Kit includes the following products:
- Driver & Passenger Side Radius Arm Assembly
- Bag Kit
- Radius Arm Cam Plates
- 18mm x 150mm bolt
- 18mm Prevailing Torque Nut
- 3/4" SAE Washer
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5" Rear Block Kit
This Box Kit includes the following products:
- Driver & Passenger Side 5" rear tapered 3/4" Pin
- 4 5/8 x 3-1/8 x 19 semi-round U-Bolt
- Bag Kit
- 5/8 washers
- 5/8 high nuts
- E-Brake Relocation Bracket
- E-Brake Clamp Bracket
- Bolt Pack
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Important: With the Coilovers & the Mounting kit provided, you have the option of keeping the factory location shocks or upgrading to Fox 2.0.
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Features:
- Adjustable axle wrap control utilizing dual-stage resistance springs
- Full-floating traction bar design will not bind throughout the full range of wheel travel and/or hinder suspension articulation.
- Does not adversely affect ride quality when springs - particularly when resistance springs are adjusted to still be active.
- Spring preload can be adjusted on the vehicle without disassembling the traction bar
- Adjustments can be made for optimum performance over a wide range of uses/terrain. (On-Road - Unloaded, Towing/Hauling, Off-Road, Competition pulling)
- Traction bar ends are greaseable and rebuildable
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Universal Recoil Traction Bar
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Required if you have added the Traction Bar.
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RECOIL Traction Bar Mounting Kit (3.5"- 4" Axle Diameter)
Mounting brackets are bolt-on, only requiring minor drilling for frame mount installation.
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Features:
- Standard turn-buckle length adjustment as featured on other BDS truck track bars
- Works with 0-4" of lift using the stock track bar bracket and 4+"-8" with replacement extended track bar bracket
- 1-3/8" solid steel stock with CNC machined threads
- Greaseable, high-durometer polyurethane bushings at the frame end
- Heavy-duty, greaseable replacement ball joint pre-installed at the axle end
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Note:
- These shims are designed to improve rear driveline angle on trucks equipped with a 2-piece rear driveshaft to eliminate any potential driveline vibrations.
- Not needed on trucks equipped with a 1-piece rear driveshaft.
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Driveshaft Alignment Kit
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Note:
- The following kit ID's 1567H, 1567F, 1551H, 1551F - If installed on a truck with a top mount overload spring, and the overload spacer block is taller than 1-1/8" then these U-Bolts (Qty:4) are required.
- All u-bolts come with high nuts and washers.
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Universal U-Bolt (4x)
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