<p>GeoSpec? Coating Developed to form a durable and attractive silver-gray finish, DFC GEOSPEC Coated Brake Rotors fight rust far better than conventional paint or zinc coatings. Each DFC GeoSpec Coated Brake Rotors is processed dry, shipped dry, and ready to install without any additional preparation. An average brake job takes 1.25-2.5 hours per axle. Without the need to clean an oil covered rotor, this saves a tremendous amount of time and money during the installation process. The coating is simply and safely swept away by the friction material with no harmful effects.</p><ul><li>?Engineered with premium G3000/G11H18 iron castings for strength, stability, and durability.</li><li>?Original Equipment (OE) vane configuration to ensure proper and maximum heat dissipation.</li><li>?Provides superior corrosion protection over zinc / conventional painting</li><li>?CNC-machined to the tightest tolerances.</li><li>?100% precision cut and mill-balanced for smoother stopping and zero vibration at any speed.</li><li>?Designed to meet the same form, fit, and function as OEM brake rotors.</li></ul>