dont no then  :lol:  :lol: 
why not just get some wading plugs, and adapt them
altho i do not see why you want to fit a breather to the bell housing  :? 
timing case yes, but just get the proper job that bolts on where the coverplate over the injector pump is  :roll: 
dan
p.s roll on the punts  :roll:  :roll:  :oops: