Fitments - Replacement for 1964-1966 Mustang 1961-1964 Thunderbird Manufacturer Part Number - M39626 5472928 5472933 C1SZ-2140-A C5ZZ-2140-B Material - Our products are made of advanced technology and new materials, with good quality and safety Powerful Function - The brake pedal force is transmitted to other parts of the braking system, so as to realize the braking function of the automobile Professional Installation - Easy installation. Installation instructions are not included, professional installation is always recommended