Soldato
You can get some V8 kits and even a rotary, but I've not found a UK distributor:
http://www.hobbysurplus.com/enginemodels.asp
And properly detailed (non-transparent) kits:
http://www.uptownsales.com/science/engine.php
Nice links, TY.
I'd never seen anything like this until the Haynes model caught my eye before xmas.
Every home should have one.