2 valve

So I plan on putting the On3 turbo on my gt and I am trying to get 400hp on it. I was wondering what parts I would need to get or that would be smart to get. I already know that the stock rods and pistons tend to go out around 400-450hp and I plan on buying them but I don't know what sizing...

I know this has been beat to death in the past but it's now 2016, companies have come an gone an a lot has changed since the old threads on this. I'm looking for the best cam for my PI swapped 96 Gt. I have a PI intake, LTs, X pipe, cat delete, throttle body & plenum, and full CAI system. I'm...