G'day Justin
The only Brake Master No's I have are from my old Rover Master Parts Cattle Dog,
Master Cyl CB type as yours should be is, R564706 (4 cyl 109 up to & incl Suffix "E" incl ) Girling-GI 64068750
Wheel cylinders REAR and they are handed the same as the shoes, LH 243296 Girling-GI 390072
RH-243297 Girling-GI 3900073
Front LH R243743 X 2 Girling GI 390360
Front RH R243744 X 2 Girling GI 390361
The flexible hose to the back and the fronts are the same and the same current part No as the Clutch flexible hose and it is RTC-3353 (raised chassis vehicles)
Kevin