I have a set of dba4574XS for g35 and it also fits 350z.
They are brand new, only one of the rotors has been test fitted and it has light scratches which can not been seen with the wheel on.

it works on 03-05 350Z / 03-04 G35 / 03-05 G35X.

will let it go for 200 picked up.
thanks.
Sung
PM me or call me on 678 234 8698.