Hi,There are Indian made speedos available cheap and cheerful, however they are deeper than the originals and to my mind look wrong when mounted separately, a special cable is needed to adapt to BSA driveReplica Smiths (UK) instruments , https://www.smiths-instruments.co.uk/bikesscroll down for the chronometric replica'sNot cheap either!!!John
G'day Atoll.Anything Oilfield I go here http://accessories.hitchcocksmotorcycles.com/Contact-UsTell them what you've got they might have something.Cheers