They are also engineered to match OE vane configurations for maximum and proper heat dissipation. Each rotor casting is CNC machined to the tightest tolerances available in the market today. This is to ensure it delivers consistent quality and reliability even under the most demanding braking conditions. It is also 100% mill balanced and inspected for smoother stops, zero vibration at any speed, and trouble-free operation. Designed to meet OE standards for fit, form, and function, all Dynamic Friction replacement brake rotors are guaranteed to provide safe, consistent, and reliable performance at a great value.