Forget Crower cams. Forget the Ultra Light stuff, too.
Pick up a set of Crower Econobillet rods. They're about 100 grams lighter than stock.
Balancing is not something that happes before you order it.
It is possible to do the stuff yourself. However, judging by the amount you know about engines, I would suggest a long long time period of learning the basics before attempting anything close to this.
Get a Helms manual.
Oh, and don't even think about porting it yourself.