1967-1970 Ford Mustang Power Brake Conversion (Drum Brakes, Manual Trans). Now available from Scott Drake. The safety and increased stopping power you have been looking for on any 1967-70 Mustang in a very easy to install package. This setup utilizes a new Bendix style power brake booster with increased sensitivity and a 1 year warranty, new large capacity dual chamber master cylinder, specially designed mounting bracket to allow direct bolt in while retaining original brake pedal assembly and clearance of the shock tower.