The safety and increased stopping power you have been looking for on any 1965-1970 Mustang in a very easy to install unit. 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. The push rod is preset but is adjustable to move the pedal height up or down. This is a very economical solution for Those looking for an improved braking system along with the added safety of a dual chamber master cylinder. Note: Booster requires a minimum 15 pounds of engine vacuum pressure at idle for maximum stopping power. Some high performance high lift camshafts may not create enough vacuum. Stock engine vacuum pressure is 18 pounds.