im trying to buy a load of the .625 and .700 master cylinders direct but i need the girling part numbers can any one help

I found this that has part numbers, hope its of some help.
link

The 0.625" was standard fit on the Hillman Imp on both brake and clutch.

The 0.7" was standard fit on the Sunbeam Imp Sport & Sunbeam Stiletto & Singer Chamois Sport brake only ----- (the Sport models had a servo )

[Edited on 21/5/07 by britishtrident]

this is a girling 0.70 & the part number on it sure looks like 64673554 but its not to clear to read ,

[Edited on 21/5/07 by rjs]