Brainstormin' 440 vs 5.9 ...

I would wait on the cam and spend the $$$ on these... 1.99 compression height flat tops would be a decent improvement.
Federal Mogul Pistons 350P.030 for 1966-71 Chrysler 7.2L 440 OHV Set of 8 | eBay
Those are .030 over. No way I can buy/ship them for 355.00 and get the block bored/honed plus buy rings and be even close to what I was thinking on spending