Stop in for a cup of coffee

Mr Tech is one of my favorite sources for what was new on Chrysler's cars.
New tandem master cylinders: 1967 Chrysler Imperial Service Features From the Master Technicians Service Conference Session 230

New Dual Hydaulic System: 1967 Imperial & Chrysler Dual Hydraulic Brake Repair Book - Session 232

Disc Brake Roundup for '67 shows the disc brake master cylinders.
1967 Chrysler Imperial Disc Brake System From the Master Technicians Service Conference Session 233