basically normal powdercoat, I wouldn't run high temp apps but there are high temp powders out there, we were playing with them for a little while.
there my extractors.

Also have done my springs, although never fitted fronts.
It's good in a lot of engine bay underbody applications really.
even wheels.
But to get a nice glassy finish, eg not all orange peelly etc. isn't quite as easy, as people go about with paint.
Although theres a Large range of colours, it's not as easy to mix, eg the making custom colours take a lot of time, not really viable.
threads, well if there worth using they'll have have plugs and caps for threads etc.
Also be aware, greasy oily parts, needs to be thourouly cleaned, so if your getting it done on the cheap I'd suggest you give it a decent degrease before handing it over, so he doesn't have to spend to long cleaninng it.
callinin sick, callin in twisted, they insisted.
**** that that I call in drunk and stoned.
beats passing out at work.