Yeah I know. I suppose $50 isn't that bad if you can't find the injectors you need though. We'd probably want something that went from return to returnless though since the returnless guys wouldn't have a problem unless they needed larger injectors which only have the return style plugs.
Here they are:
http://www.cprracing.com/injectoradpt.htm
Wow I suppose there is a bit of a markup on these:
http://www.sensarium.com/electrical.htm
$140-$160 for f'ing connectors. That's BS!