Hi-Carbon Alloy GEOMET Dimpled Vented Front Brake Rotor (950-63081) by Dynamic Friction Company®. Quantity: 1 Per Pack. Carbon Iron Formulations to Enhance Noise Dampening Characteristics and Increase Durability. DFC endeavors to match the latest technologies as applied by the Original Equipment Manufacturers [OEMs]. DFC Carbon Alloy Performance Brake Rotors are engineered for maximum performance, reliability, and durability. Performance rotors will grab more bite to the brake pads giving you shorter stopping distance especially in wet weather and will reduce the heat that builds on the rotor, removes brake and road debris and prevent pad glazing.