Cracks in rotors

2011 Nismo#91

Yeah you need new rotors unfortunately. If you only had short cracks at the drilled out parts I would say you are OK; But you would need to check them regularly to make sure they didn't grow into the long cracks that extend to the edge. Those mean the rotor can break apart at any moment under hard braking.

I have had a lot of luck with FrozenRotors, they are cryogenically treated rotors, they are relatively inexpensive and hold up to a lot of abuse. Simple blank rotors are what I use, sure they don't look fancy but they work well and don't break the bank.

There are many good rotors available. Two piece rotors are good bit they are very pricey and I don't feel the weight savings, increased performance, is there for the average user. For competition sure take every edge you can to win and have the sponsors share the cost or replacing them. Slotted rotors are good too but wear the pads down unnecessarily quickly for no real gain, unless your using pads from the 90s.

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