Quote:
Originally Posted by Elite Engineering
The Hex Stud we removed on our 2010 LS3 didn't have any marking on it.
Can someone verify if there's has a grade 2, 8 or whichever marked on the Hex Stud?
Steve
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Thanks for the quick response, Steve!
I just took a look at my car and was able to see a marking on the integrated nut of the OEM stud. There is a tiny 8.8 on mine as well. So, it looks like it is a ISO class 8.8, which should be equivalent to SAE grade 5.