Remember there were TWO different rear brake calipers with different parking brakes built in, even though both were Girling. It may be that the small iron calipers and the big aluminum calipers take different length brake cables, or at least different ends. I borrowed a set of the aluminum rear brakes from a friend and he included the stock cables for that varient. I'll try to get some photos & measurements in my 'spare time'....
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