Quote:
Originally Posted by MX621
I do not believe this is true. Zl1 use a 390mm rotor, the c7z iron rotor is a 371mm which is the same as the ss/1le
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The J6M SS 1LE front rotor is same OD and thickness as the J56 steel front on GS & Z06 but the J56 is slotted (with different hat vs. J6M).