Cam and carb suggestions

Pistons- SRP Flat-tops- 9.7 cr (maybe a bit higher due to the block/head surfacing with the thin gaskets used..see below).
My opinion is not to guess. CC the heads. Can't tell you how much I regret not doing this.
Stock j heads will only handle around .500 lift max
This^^^^
Without flowing the heads this is a good rule of thumb.