You can also get them from Denco Lubrication (part of the Bijur group of companies) in Hereford (or Cougar Lubrication if you're in the South of the UK), shame I wasn't working there still else I'm sure I could have helped out;)

Nice refurb log Dave, following with interest. I was looking at doing this for work but we're still undecided on retrofit or purpose built....funds will decide!