It'll fit fine with stock valve covers. No need for anything fancy.
It's a deal where hating computers just might cost somebody extra, and create extra effort. The hemi 6 seems like a good piece, and might even cost less at the end of the day. But some are against using stuff like that.
Alot of circle track apps MUST have a distributor per their rules, and 5.7s are more plentiful in the junkyards than 360s anymore, so there is a door that could open.
The intake manifold thing is just ridiculous. It's been done for six years, they need to just make the dumb thing already.