If you're having to pay out of pocket, consider the ZSpeed HD CSC or the Z1 CSC Delete Kit. Specialty Z also has a rebuildable clutch kit with a tilton CSC.
You won't have to replace them again. Just the CMC, which is A LOT cheaper.
__________________
2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed | |