got a full set of Endless for £165 plus fitting or you can get Red Stuff from CS for less. Any garage can fit them and there is even a helpful guide in the guides section. I would use this opportunity to upgrade. Its worthwhile
Emperor Ming
http://www.350z-uk.com/forum/profile.p ... file&u=826
he was mad on detailing under the engine bay. Not seen him around for a while, but still about.
I thought that as long as the garage is VAT registered and uses Nissan parts then your covered. Seem to remember something on watchdog. I'm not totally sure on this
in terms of the North East, there is also Revolution. Don't know how much experience they have of the Z. They do sell some parts but not many at the moment.
http://www.revolution247.com/