Saw that these people were selling a spark plug cover for a Zetec for £35
http://www.metal-monkey.co.uk/acatalog/Other_Shiny_Bits.html
So I have started making one for myself.
I have the template as two jpg files if anyone wants it U2U me and I will email it.
Sorry for the w**tfield reference.
Rescued attachment spark plug cover3.jpg
He did a set of Zetec 16V ones as well