Here's a new Set of Main Bearings (+020 Size) for the following models from Triumph -

TRIUMPH

Triumph TR5 (2.5 Litre)   (2498cc)     (1967- 69)

Triumph TR6 (2.5 Litre)   (2498cc)     (1969- 74)

Check you still have the correct engine fitted - Eng Prefix No/ CP, CR.

These are +020 size. 

Before you buy this you need to find out / understand the following -

1) These are Main Bearing Shells, that's not the same as Big End Shells.

2) These are +020 size - Find out what size you need.

3) Check your Engine Number against the above, it's just below the rear most Spark Plug - Triumph's often have other engines fitted.