StopTech Sport Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers. These Slotted and Drilled (Right Front) rotors provide improved cooling and better modulation under heavy braking. The cross-drilling and slotting helps wipe away debris, dust, and gases, ensuring consistent friction. Features a black e-coat finish for corrosion protection. Diameter: 312mm. Thickness: 25mm. Note: This is an individual Right Front rotor. For a complete axle set, pair with 127.33112L.