I'd buy the crank from Eagle or Scat or 440Source, not Mopar.
I like the more-stock-appearing 440Source Stealth heads; I'm kinda sneaky like that...likewise the Eddy dual-plane after grinding off the name.
I'd also prefer either an Eddy or a Thermoquad for carb duty, better MPG than a Holley in my experience, though the Holleys are easier to tune.
Check the Archives here for pages of 440 builds, and mind the compression ratios, quench, timing & cooling advice and you'll be fine & happy.
If you need a crank & pistons, the hardest part is resisting the temptation for more stroke...