Closest you can get is to run a CFRoot kernel - which is basically a stock kernel with root/CWM. I personally wouldn't use it these days though.
Edit -Why are you double posting ??
If it's important enough to cause you grief if it's lost, back it up. No excuses
Trolling for thanks is lame
Does Samsung's auto-brightness implementation crap drive you to self-harm ? A solution !
Failure to search is the leading cause of male impotence on XDA
If you don't know how to recover if things go wrong, what are you doing flashing custom roms ?