 Brake Bolt Hardness Question, 8.8 or 10.9? |
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| gcrotvik |
 Mar 31 2014, 02:32 PM
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Member  Group: Members Posts: 360 Joined: 16-December 09 From: Portland Oregon Member No.: 11,134 Region Association: Pacific Northwest  |
I am collecting the parts to go to the plater for my 74 restoration. I noticed that my M12 x 30MM brake caliper bolts are a combination 10.9 and 8.8 harnesses. The Porsche PET and the OE Manuals do not state the hardness standard/requirement for calipers bolts. Are 8.8 hardness correct/ok to use for Brembo AM front calipers and 914/6 rear calipers?
Thanks, Greg |
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| Eric_Shea |
Apr 2 2014, 03:46 PM
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PMB Performance Group: Admin Posts: 19,275 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains  |
We have a mixture of Kamax 10.9 and Kamax and Lobo 8.8 in our extras bins.
I don't think it matters. |
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