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Old 06-04-2013, 11:36 AM   #8
Irnwkrkev's Avatar
Drives: 2011 SS/RS LS3
Join Date: Oct 2010
Location: Miami
Posts: 528
I went to a local fastener shop who had the grade 8 replacements.

You can get the factory bolts from the dealer. Even though they are supposed to replace them for any differential service I've read about most not keeping them in stock.
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