I cant tell exactly, but a friend of mine has a shop for that, I could ask him.
As far as I know, powder coating has almost the same temperature range as spray paint. My wifes 75 seems to have a coated cam cover (I bought the car like that), no wrinkles, cracks or burn marks. BTW: It is red with high polished Alfa logo - yummy
Hiya JB.. I've just completed some work for a guy who powercoats Architectural stuff & he's happy to run a few things through for me
Glen.. ahhh.. methinks I'm going to have to speak to him again. I did have some cams sorted from a mate in sweeden but they turned out to be shagged. Bummer. They were a fair bit cheeper but no good unless they work frown