Glad it's working for you. It also works in humidity. It's about the only spray paint that I have found that works in Miami's heat and humidity. I haven't had a problem with water based clear coat adhering, but I wait at least 3 weeks to make sure it's gassed out.
The plan for the MBM-1 build sounds cool. That pickup should work great, and the zebras are very rock-and-roll ;-)
Whenever a part gets hard to find, I generally go to Mouser. I don't know about shipping to Australia... but I think this would do it: