Just to update this
I will be replacing the Tesla master cylinder with one from an Audi A3 e-tron RHD. Bore is smaller at .92” vs Tesla 1” p/n is5QE-611-015-AK. Got a good deal on it, and it’s on its way from Britain. Will report back after testing.
A33586A6-369C-49E0-8180-B856047F6FFE.jpg