Wonderful Rotors. The front StopTech Select Sport Drilled & Slotted Rotor will instantly help you improve the safety when riding in your Mustang. Built strong, and designed to look aggressive, these rotors provide better performance.Construction. These rotors are made using G11 metallurgy engineering, which means you're getting a strong brake rotor. They are drilled and slotted for better bite and better looks. With non-directional finishes, non-friction surfaces and a zinc coating, you get corrosion resistance and a long life.Installation. This StopTech Select Sport Drilled & Slotted Rotor installs pretty easily on your Mustang.Application. This StopTech Select Sport Drilled & Slotted Rotor fits 1994-2004 Cobra, Bullitt, Mach 1 Mustangs. The rotor is available for front left, front right, or as a front pair.