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Q: Why do track drivers keep a spare ball joint on hand?

If you run track days and swap between street and track alignment often, having a replacement joint ready means no downtime when one wears. The page calls this out directly: frequent alignment changes make a spare highly beneficial. Instead of waiting on a part when a joint finally goes, you keep the car available. It is cheap insurance for anyone who uses the FUCA adjustment regularly.

Tesla Model S

INSTALLATION guide

For the do it yourselfer or trained mechanic, our in-depth installation guides provide step by step detailed instructions on fitting your Tesla with Unplugged Performance Parts.
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Tesla Model S

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