Ive had those GTR drilled rotors on 3 different GTRs since 2008 and had a good amount of track autocross ect ect on them. they can get stress cracks but usually they are tiny and I think nissan considered anything under 4mm to be cosmetic. I never had to replace mine.
The performance numbers are listed in the smaller print in under it for comparison
Fun fact at speeds above 120ish the performance actually generates a tiny bit of lift
yes they are the Sport Maxx RS havent seen them available outside japan. they should be added to tire rack or other vendors as an OEM replacement once the 2027 Z is on sale
Here is a guide for looking at that screenshot
CPO means current production order. A dealer can change the color and options during the 2-3 day window these are open. once it closes the order is locked in
PPO means pipeline production order . This is a car already produced by Nissan and on...