One new EPC brand 2.125" diameter front caliper repair kit (made in England), part number SSB2602.  This fits:

Hillman Minx 1964 - 1967
Hillman Super Minx 1963 - 1967
MGB & MGB GT 1962 - 1980
Triumph TR8 1980
Triumph 2000 1964 - 1969