O/S intake valves...

So these valves have been good to you? and held up well ?
Frank said something about small block Early/old ford valves do work
And well if I remember right :happy1: I hope you don't mind me posting another picture in this thread for info
I am just noticing that not all /6 heads have this in/on them
I circled it in yellow

Thank you again for your/everyones time :happy1: