Edelbrock 318/360

looking at an Edelbrock manifold stamped 318/360 will this fit a 1966 273? i know the 273 and 318 manifolds inter change 1966 and up. just trying to figure this out. I need a little help I am afraid the 318/360 ports are a little bigger than i need.

received_216759566373162.jpeg

received_219035172791331.jpeg

received_240406080687451.jpeg