This high-quality, Scott Drake Front Disc Brake Conversion Kit is an exact reproduction of the original, factory disc brake setup that came with some of the 1964-1966 Mustangs with a 6-cyl engine and 4-lug wheels. This front disc brake conversion kit features single-piston calipers, a 10.5" rotor. and uses the original spindle for easy installation. This kit does not include instructions. Recommended for individuals familiar with basic brake systems.