StopTech Sport Rotors (Drilled & Slotted) are 1-piece direct replacement brake discs for your factory brake system and stock calipers. This part (127.40055R) is for the Right Rear position. The unique cross-drilling and slotting aids with heat and brake dust dispersal, prevents pad glazing, and improves braking performance in wet and dry conditions. Finished with a black e-coating for superior corrosion protection. Components included: 1 x StopTech Sport Right Rear Brake Rotor (P/N 127.40055R).