Which radius arms should I use
RYD Axle Conversion Kit for Ford (1987-97) F-150/F-250/F-350 (OBS to 05-16 Superduty Axle Swap)
The 2005 to 2007 radius arm part numbers are different from the 2008 to 2016 radius arm part numbers. Can I use either radius arm with this kit?
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Open Jun 01, 2026 - 07:47 PM
1answer
Answer
Jun 12, 2026 - 09:42 AM
For this OBS‑to‑05+ Super Duty axle swap kit, you can use either 2005–2007 or 2008–2016 OEM‑style Super Duty radius arms. The key is to match the radius arms to the year of the 05–16 axle you’re installing, since the kit’s brackets are designed around stock Super Duty suspension geometry.
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