StopTech Sport Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers. This Slotted and Drilled Left Front rotor provides improved cooling, better bite, and shorter stopping distances. The Sport Rotor features a durable black e-coating on the non-friction surfaces to prevent corrosion. For a complete axle upgrade, this part should be paired with the right-side rotor (127.47036R). Total components in this series: 1x StopTech 127.47036L Sport Brake Rotor (Left Front).