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Old 12-30-2016, 12:00 PM   #4
Greg Holmberg
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Join Date: Jan 2015
Location: San Francisco bay area
Posts: 70
In general (not just for the Boxster), you shouldn't use aluminum wheel nuts or bolts for racing. They're just not up to the task. The PCA rules state:

Quote:
26. Lugnuts must be steel with engagement at least equal to the diameter of the wheel lug studs
Better to install steel studs and use steel nuts.

I use the ones from Tarett Engineering.
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