I've just brought in a stack of these from Jakarta for all the Ritchies Mitzi truck buses. Could be worth adapting into catch cans as they only cost $30 odd. I won't bother as I have nil blow by with the later breather setup but if anyones interested speak up. http://www.sakurafilter.com/index.php/productdetail/index?snum=EFG-1002&title=Sakura Number - EFG-1002&id=1