Spec stage III clutch, NX nitrous kit, wilwood slave cylinder
 

Spec Stage III clutch, bought new in the GP a long time ago, still in box, never installed. paid $389 asking $325.

NEW Wilwood slave cylinder, still in box, bought to put in with clutch, paid $65. asking $50.

NX nitrous kit, bought off of o2bird *was on his V6*, basic kit. never installed on his car *sitting in garage now*. paid $400 asking. $350

What year is the clutch for??

Please elaborate on the NX kit, I'm very interested.