S3 1987 XJ6 Front rotor thickness
Senior Member
Joined: Mar 2012
Posts: 303
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From: Sydney Australia
the indicator is part of the disc, on the inner edge closest to the hub) it steps down, once the normal part of the disc is machined down enough to reach the step down edge then it's time for new rotors
Veteran Member
Joined: Mar 2008
Posts: 25,529
Likes: 11,721
From: Pacific Northwest USA
New thickness is .945"
I recall minimum allowable is .895" but I can't quickly find anything to verify that
Cheers
DD
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