SHW Performance Slotted Lightweight Rotors PRL49927 are high-performance brake rotors designed for racing and high-performance vehicles. These rotors are made from lightweight materials to reduce unsprung weight and improve overall vehicle performance. The slotted design allows for better heat dissipation and improved braking performance, while also reducing the risk of brake fade. These rotors are precision-machined for a perfect fit and are compatible with various brake pad compounds. They are a great choice for those looking to upgrade their braking system for improved track performance.