One new EPC brand .005 oversize engine thrust washer set (made in India), part number W2004.005.  This fits:

Triumph TR2 1953 - 1955
Triumph TR3 1955 - 1957
Triumph TR3A 1957 - 1962
Triumph TR4 1961 - 1965
Triumph TR4A 1965 - 1967