There you go, bit near home, try Ronnie
ronio73@hotmail.com Auckland,
New Zealand
This is even closer, (Thank god for Google)
Link
Whiteline Automotive
4 Warringah Close, Somersby. 2250
NSW. Australia
A few other suppliers and manufactures
superflex.co.uk
polyurethanebushes.com
Powerflex.com
autobush.com
polybush.co.uk
bonaprene.co.uk
powerflex.co.uk
superpro.com
daizensporttuning.com
driftworks.com
energysuspension.com
prothane.com
whiteline.com