Horsepower limit for out of the box Edelbrock RPM heads

Pretty crazy we are sitting here talking about 400, 500, 600 horsepower small block engines. It’s a great time to be a Mopar lover
It's a great time to be ANY American V* lover.... parts galore compared to 30-40 years ago. 350-400 used to be darned good for a home builder LOL.