Dual master cylinder

[Michael Fatsi <mdfatsi@home.com>]

I'm attempting to find a kit for converting a single brake master
cylinder set-up for a TR-3 to a dual master cylinder.  A friend of mine
swears that he saw an ad for just such a kit in a magazine, but has been
unable to find the ad.  Does anyone know if such a kit  exists?  Is
there perhaps another way to accomplish this task that someone is aware
of?

Thanks in advance.

-MF