Maybe this would be a good build for the CNC Speedmaster heads. Since the build is just for fun, why not slap on a set of those? Probably no trouble finding someone to sell a set they got on cyber Monday sale. I am not attached to them and don’t have a build planned for mine. Maybe someone has a set up there in Canada to save you shipping costs.
As for Trick Flows, they would probably be awesome on this as delivered, without changing valve size.