StopTech Select Sport Axle Pack Brake Rotors are high-performance drill-and-slot replacement rotors designed for improved braking performance and aesthetic appeal. This specific part (227.66057R) is a premium right front rotor featuring a silver zinc coating for superior corrosion resistance. The drilled holes and slots help dissipate heat and gases, reducing brake fade and ensuring consistent stopping power. Please note: This is a single Right Front Rotor. For a complete front axle set, it is usually paired with 227.66057L. Specifications: Part Number: 227.66057R; Position: Front Right; Style: Drilled and Slotted.