Six cylinder Cam followers are available from:-
Arrow Precision Ltd
12 Barleyfield Services
Hinckley Fields Industrial Estate
Leicestershire LE10 1YE
Tel: 000 44 1455 234200
Available on-line under Part No. CF124 @ GB£22.50 each + VAT + carriage.(for the standard version).
Also available are racing cam followers which have a special diamond coating at GB£40.00 each.