Originally Posted by DeSoto
The other way is to put nostalgic breathers on the valve covers and install the PCV valve (via a short hose) into the rear of the valley cover or into a bung in the oil filler tube. In both cases of this method, the open end of the breather tube MUST be plugged/capped off in order to force the inlet air to go through the two breathers.
I have a couple old Offy breathers packed in my stuff out in CA, but they are the tall straight ones.
These Moon breathers would look better than my Offy's mounted on the top of the orig steel valve covers