No affiliation - sharing here because these rarely come up on Ebay.

[url=http://www.ebay.com/itm/VW-BUG-BEETLE-MALLORY-UNILITE-ELECTRONIC-IGNITION-DISTRIBUTOR-4554101-/252596432818?hash=item3acfebafb2:g:IPcAAOSwn7JYCYk-&vxp=mtr]Mallory Unilite 4554101 Distributor[/url]

Auction says it is not working, but I believe Tangerine still sells some parts for these.