1965 barracuda high performance package code 5/formula s

Double master for disc brakes?
No power disc brakes according to the fender tag.
No power disc brakes according to the fender tag.
yes it is..
Under letter “C” there’s a “5”
(High performance package,273 hp 4bbl,suspension package + power brakes.
I did spend time researching about this tag..
Thanks