Cracks in rotors

danegrey

Ok, old, but still learning about cars and tracking..

After my last track night, looking at the rotors and I have noticed cracks in both front rotors. My assumption that they need to replace. They are Z1 Motorsport - Z1 (Sport) Performance Brake Rotors - Akebono. They have seen about 10 track events.

Also when putting on the brakes a lot of vibration, on most corners (street driving no vibration)

Not sure what is going on, looking to be educated on all of this...

(probably will reorder the Z1 (Sport) Performance Brake Rotors - Akebono, would look like the 2 piece rotors, but not time yet)

thanks for all the help/education/insight...
Cheers

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the Z needs to be driven and driven hard for the car lives for it