SKU: 21250805092

2017-2022 Superduty 4" FOX 2.0 Performance Conversion Kit (BDS1557FPE)

Sale price$3596.66 Regular price$3996.29
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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20

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Description

2017-2022 Superduty 4" FOX 2.0 Performance Conversion Kit (BDS1557FPE)BDS 4" radius arm lift kit with FOX 2. 5 Performance Elite coil over conversion for 2017 2022 Ford F250 and F350 Super Duty diesel trucks, with clearance for up to 37" tires. Up front are diesel specific FOX 2. 5 coil overs, heavy duty replacement radius arms that correct caster, a forged drop pitman arm and track bar bracket for steering correction, sway bar relocation, and brake line brackets. The rear uses a fabricated lift block, longer u bolts,

BDS 4" radius arm lift kit with FOX 2.5 Performance Elite coil-over conversion for 2017-2022 Ford F250 and F350 Super Duty diesel trucks, with clearance for up to 37" tires. Up front are diesel-specific FOX 2.5 coil-overs, heavy-duty replacement radius arms that correct caster, a forged drop pitman arm and track bar bracket for steering correction, sway bar relocation, and brake line brackets. The rear uses a fabricated lift block, longer u-bolts, brake line brackets, and FOX Performance shocks.

The FOX 2.5 Performance Elite shocks come tuned and ready to bolt on, with a remote reservoir to keep fluid cool and a Dual Speed Compression Adjust offering 10 low-speed and 12 high-speed compression settings.

Features
  • FOX 2.5 coil-over mounts in factory coil bucket location
  • Adds a secondary FOX 2.0 shock for max performance
  • Eibach coil springs ride smooth through the roughest terrain
  • Heavy duty tubular steel radius arms correct caster while maximizing ground clearance
  • Track bar relocation bracket and pitman arm maintain proper steering angles
  • Fabricated steel blocks provide a level stance front to rear
  • FOX shocks are fully serviceable and corrosion resistant
Specs
  • Front Lift Method: Coil-Over
  • Rear Lift Method: Leaf Spring
  • Shocks Included: Yes
  • Front Lift Height: 4 inch
  • Rear Lift Height: 3 inch
Recommended Tire & Wheel Fitment
  • Tire Size: 37x12.5
  • Wheel Diameter: 18x9, 20x9
  • Back Spacing: 5/5
Notes
  • If equipped with a 2-piece rear driveshaft, a Carrier Bearing Drop Kit may be required (BDS123402)
  • 37x12.50 tires may require minor trimming
  • Some models come with a 2-leaf main rear leaf spring pack and others a 3-leaf main. Order the correct option.
  • If equipped with a factory rear sway bar, add 123005
Includes
  • BDS003639, 2017-2024 Super Duty 6 inch Rear Leaf Spring (UPC 658848611409)
  • BDS013414, 2017-2024 Super Duty 4 inch Front Box Kit (UPC 658848613458)
  • BDS013438, 2017-2024 Ford F250/F350 4 inch Rear Leaf Spring Box Kit (UPC 658848613540)
  • BDS123251, 2005-2022 Ford F250/F350 Radius Arm Kit, Pair (UPC 711745604087)
  • BDS123613, 2017-2024 Super Duty Coil-over Mount Kit (UPC 711745604407)
  • BDS85431, 2017-2024 F250/F350 Single Stabilizer (UPC 711745609242)
  • FOX88406427, Kit: BDS 2005-On Ford SD Front Coilover, 2.5 Truck Fox Performance Elite Series, R/R 4 inch Lift, Dual Speed Compression Adjust
  • FOX98224700, Fox 2.0 Shock 25.65 x 16.05 x 2- S50/EB1
  • FOX98224718, Fox 2.0 Shock 33.85 x 20.75 x 2- EB1/EB1
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 21250805092

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Reviewed in the United States on May 7, 2026
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JoMama
Lake Worth, US
★★★★★ 5
Good for my needs
Color: Brightblue
I love it but the pop out stand can be a little difficult to maneuver. Otherwise it was easy to install. I removed the clear film that is a screen protector just because I already have issues with contact on the glass.
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Reviewed in the United States on November 11, 2025
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Lonnie
Lake Worth, US
★★★★★ 4
great fit
Color: black
arrived later than promised but fits great and appears to be very sturdy
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Reviewed in the United States on August 7, 2025
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Karen
Carnegie, US
★★★★★ 5
Great product, great buy.
Color: black
Very handy and helpful. I love it.
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Reviewed in the United States on April 10, 2026

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