These folks would have them I bet:
David and Pat Dawson
Managers of Aircraft Spruce Europe
located near London, England and serving the U.K. & all of Europe since June, 1992.
9 Cam Cntr. Wilbury Wy, Hitchin
Hertfordshire, England SG4 OTW
Fax: +44-1462-442228 firstname.lastname@example.org
an aircraft supply house...you can look at the catolog online at www.aircraftspruce.com.