PCV Port

Would I have to cut the hole in them? There are 2 holes aredly cut 1 in each cover currently.

Left side has a breather? Right side is just a cap. View attachment 1715499959
Valve cover on the right, you are supposed to drill the blank spot and use these gromments.
This is how Mopar designed them.

Mopar Performance Cast Valve Cover Grommets P5249642