The StopTech Sport Drilled Rotor (Part No. 128.34144L) is a high-performance, single-piece direct replacement brake disc for your factory braking system. Specifically designed for the front left position, these rotors feature cross-drilling to improve cooling and maintain clean pad surfaces for consistent stopping power. The premium E-Coating finish provides superior corrosion resistance on the hats and vanes. Technical specifications: 340mm diameter. This product is sold as a single rotor. For a complete front axle upgrade, it is recommended to pair this with the front right rotor (SKU: 128.34144R) and StopTech Sport Brake Pads (SKU: 309.16090).