The SHW Performance Smooth Monobloc Rotors PRR39924 are high-quality brake rotors designed for optimal performance and durability. These rotors feature a smooth, monobloc design, meaning they are made from a single piece of material for increased strength and stability. The PRR39924 model is specifically designed for high-performance vehicles and is suitable for both street and track use. These rotors have been precision-machined to ensure a perfect fit and provide reliable braking performance. With their sleek design and advanced technology, the SHW Performance Smooth Monobloc Rotors PRR39924 are a top choice for serious drivers looking for superior braking performance.