breather or oil cap?

Monstro_bjj said
The valve cover has no baffle. The breather cap itself looks like it has a baffle but would have to look at it a bit more closely. It’s something very similar to this:
View attachment 1716038231

Should I be using a different type of breather?

Probably the only kind you can use. What do the underside of the covers look like? You need something like this. Read the description.