Hi group My G has what I believe is factory. Both Valve covers have the oil filler tube. (Perhaps all are that way) The PCV is fastened into a cap that is a tight fit and slightly taller than the filler tub. It is plumbed into a bung that is pressed into the center removable section of the equalizer tube. The bung definitely looks as tho it was factory produced. As per Gil Cunningham mine is the second to last G produced. Minnesota Marshall Red G, 27 & 28 Dodge Brothers. To send a message to this group, send an email to: Chrysler300@xxxxxxxxxxxxxxx For list server instructions, go to http://www.chrysler300club.com/yahoolist/inst.htm Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Chrysler300/ <*> To unsubscribe from this group, send an email to: Chrysler300-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/