StopTech High Carbon Cryo-Stop brake rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers. These rotors are manufactured from high-carbon metallurgy for increased thermal capacity and improved resistance to cracking. The Cryogenic treatment process stress-relieves the grain structure of the metal to provide up to 200% longer service life. Ideal for performance driving and autocross. Parts included in this SKU: 125.47022CRY (1 Front Brake Rotor).