umm well i have been a painter for many years now.i think you should let the artist deside on the paint to use since he will be using a airbrush.once the paint he has applyed has cured . you could clear coat it with just about any automotive clear. the trick here is apply it in a thin coat .so turn down the fuild on the gun . if you are wanting to lay down base frist maybe you should ask him what brand he will be using .and go with that . i can tell you i use dupont .i paint 18wheelers and they have a lot of fibergalss.well good luck to you .you may won't to watch the fuel to i would hate for it to eat the paint off all your work nitro is strong.my 2c