Fits on: Austin Healey Sprite IV & MG Midget III-1500 (1966-80)
There are two generations of clutch master cylinders.
This version is the latest generation, easily identifiable by the "groove" on the master cylinder body.
Sprite & Midget from 1966 to 1980 from GAN6167343 (us) and GAN6167644 (Eu)