WHEEL CYMINDER, REAR, TR3, TR4, TR5, TR6

Applications:
Girling 10-inch setup, 19.5 mm (0.75") piston diameter.
TR3 from TS13046 onwards
TR3A: early models up to TS15331, and from TS56377 to the final models
TR3B "TSF" series
TR4 up to CT4387
TR6. Flat piston head.