upgrade master brake cylinder

The old style is easier.
No adapters, no fittings, pushrod fits without adjustment, no flare tool.
4 nuts, one pedal pivot bolt.
Bleed as nec.

Didn't say better, as they are all just a pump .

And we both have agreed for a many years, that the 15/16 bore is preferred by spirited driver's for it's "feel and modulation". (sound familiar?)

EDIT.