StopTech Slotted Sport Brake Rotors are premium high-carbon replacement rotors designed for high-performance braking. This specific part (126.61105SR) is a single right rear (passenger side) disc rotor featuring a directional slot pattern that aids in heat dissipation and helps clear brake dust and gases for improved pad bite. The high-carbon metallurgy provides increased thermal capacity and reduced noise. Specifically engineered for 2013-2014 Ford Mustang Shelby GT500 models equipped with 350mm rear discs. Package contains: 1x Right Rear Slotted Brake Rotor (MPN: 126.61105SR).