Default [Q] Nook On Fire Showtime V3.22 Nook On Fire Nemesis V2.4

I wanted to know if these kernel's Nook On Fire Showtime V3.22
Nook On Fire Nemesis V2.4.will work on my nook tablet and I'm running CM-10.2.1and do i need to flash every again or can i just flash the kernel by its self.