The SHW Performance Brake Rotor PRL39979 is an OEM-specification direct replacement part for Porsche vehicles. This top-grade disc brake rotor features high-grade materials and is optimized for maximum performance in all driving conditions. It provides consistent, reliable braking performance and helps reduce road noise and vibration. The rotor is precision-drilled and dimpled for increased cooling and longevity, and is compatible with other part numbers for a perfect fit. This rotor comes at the best price and is backed by high-quality construction.