mantis 1 Report post Posted May 14, 2019 Does any one know if this is normal? Both front rotors have this in it, it's a 1996 fd rx7 done 65000km I would say the are the factory rotors. Quote Share this post Link to post Share on other sites
AllTorque 37,516 Report post Posted May 14, 2019 It will be factory fitted to stop brake noise. Quote Share this post Link to post Share on other sites
mantis 1 Report post Posted May 14, 2019 I had a feeling that's what it may be. cheers Quote Share this post Link to post Share on other sites
