Well, I guess that you could always go to your favorite search engine & type in Pertronix

Then, you could select from the list & go to Pertronix Australia & NZ.
From there you could navigate your way around to learn all about it.

You might even contact them to ask where your nearest retailer is located.

Now that shouldn't be too hard & you will quickly become an expert on the subject.

Have a look at some of the other sites thrown up by your search engine, just for fun.