Please add me to the csc failure list. 2009 base sport @ 80,500. I plan to replaced it soon. Exploring all options now.
Zspeed CMAK kit : ZSpeed Performance Nissan 300ZX 350Z 370Z Infiniti G35 G37 Q50 Q60

Z1 csc elim kit: https://www.z1motorsports.com/z1-pro...it-p-7340.html

Zspeed HD slave on its own if you don't get one of the above kits: ZSpeed Performance Replacment HD Clutch CSC Heavy Duty Slave Cylinder Kit