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Old 03-30-2016, 04:30 PM   #2
jakeru
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Join Date: May 2015
Location: Greater Seattle, WA
Posts: 534
According to the Porsche parts catalog, this "hexagon head bolt" is M8 x 28mm.

If you want to source OE, the Porsche part number is 900 378 131 00. A quantity of 12 is called for.
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2001 Boxster
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