The Sport Rotor is a direct replacement 1pc rotor. This is designed to work with the stock brake system on the 03-04 Subaru Impreza WRX STI. These stock size rotors feature Baers signature slot, drill, zinc plate finish.
Details:

• Front Sport Rotors
• Rotor Diameter: 12.83 Inches
• Thickness: 1.181 Inches
• Surface Finish: Slotted, Drilled, Zinc Plated
• Designed To Be Used With Standard Brake Systems
• Sold As A Pair