'65 Formula S brake/wheel/trans specs?

According to this 1965 sales brochure, the Formula S package included "wide 14-inch wheels with wide tread tires". But disc brakes were a dealer-installed option. No 10-inch drums shown. Formula S included the "Rally Pack" suspension (HD springs & shocks plus sway bar).

Directory Index: Plymouth/1965 Plymouth/1965_Plymouth_Barracuda_Brochure