1967 1968 1969 1970 1971 1972 1973 Cougar Disc Brake Conversion Front, Rear & Power Booster. Comes complete with 11" Rotors, single piston loaded calipers, mounting brackets and hardware. Rear comes with 10½" rotors and single piston calipers. Includes Brake Booster Combo. Our best selling kit! Don't be fooled by lesser quality kits! Our kits are designed to directly fit your car. You don't have to change your spindles, tie rod ends or your brake pedal. You don't even have to have the car re-aligned after the install! Best of all our kits use wear parts that can be replaced and don't have to be custom made!