The SHW Performance Drilled Monobloc Rotors PRL31524 are high-performance brake rotors designed for use in racing and high-performance vehicles. These rotors are made from a single piece of high-quality steel and feature a drilled design to improve heat dissipation and reduce brake fade. They are precision-machined for a perfect fit and feature a durable coating to resist corrosion. These rotors are designed to provide superior braking performance and durability under extreme conditions.