Brainstormin' 440 vs 5.9 ...

I think you can buy the pistons with rings. Moly will work. I wouldn't buy anything yet until you have a plan on paper. Are you keeping it standard bore? Do you have a new a budget figured out yet? I think you blew up the $500 budget already
well, if/when I go new pistons, probably should go .030 over since the one cylinder had rust. But, if/when I do pistons, then we'll be looking at a street friendly (pump gas in the very least) but making a little trq/hp. Did you have a part number in mind?