ceramic coating header recommendation

In the US the main company advertising they do ceramic coatings for automotive and racing is Swain Tech. In the UK, the main company is Zircotech. It's applied using a hot flame or plazma. 'It' being some variation of zirconium dioxide, probbly with ytrium. Its an industrial process, so those companies are not the only ones that do it. They're just the only ones that promote it for stuff like this. The Zircotech website has info about the interface metal layer and the process.