2005-2009 S197 Appearance SectionFor all appearance mods to the 2005-2009 S197's
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I read somewhere that the wheel stops are different for the wider tires. I don't know from personal experience.
I went from the stock 235/55/17 all around to 245/40/18 front and 285/40/18 rear,
I did not install the steering stops and have no issue, I can turn as tight as I can with no rubbing issues, here's what Ford has to say.
For vehicles with 16" wheels from the factory: -installing 17" x 8" wheels, use steering stop 4R3Z-3932-BA -Installing 18" x 8.5" or 18" x 9.5" wheels, use steering stop 6R3Z-3932-CA For vehicles with 17" wheels from the factory: -installing 18" x 8.5" or 18" x 9.5" wheels, use steering stop 6R3Z-3932-CA
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