Autometer offers both a Street rod (classic gauge) and Cobra OEM style gauges ... black background, white foreground and chrome bezels in 2" and 4" diameters.
Maybe you can check out:
Rocket Industries
40 Huntingwood Road
Huntingwood, Sydney
NSW 2148
Phone: 02 8825.1900
Fax: 02 9678-9955Fax: 02 9678-9955
Sales@rocketindustries.com.au
www.rocket.au.com
They're the Autometer distributor in Australia and should be able to supply speedo in KPH
Cheers,
John