Don't know much about nitrous

I'm just doing research, for what i'm going to do with my car. I plan on buying an LT1 shortblock, and making a 355 out of it, I will probably be running stageII heads with a cc306. with just that setup I think I will definateley be over 400hp. My question is what would I need to hold 500hp with n02. 4 bolt mains, forged rods and pistons, what kind of rings would you run. I know what I would run fuel system wise, but I need help on the engine. I will probably only be running a 100-150 shot of N02.
thanks in advance
sean