StopTech Brake Disc - 12633096SR: StopTech Brake Discs feature an advanced technology metallurgy which offers long lasting durability, improved heat dissipation, and high temperature performance. The directional vane design helps to maximize brake performance and optimize pad sweep and cooling. The slots help to reduce brake fade and increase pad bite. The drilled and slotted design also helps to reduce rotor temperature and improve wet and dry braking performance.