StopTech Slotted Sport Brake Rotors are 1-piece direct replacement brake discs for your factory brake system and stock calipers. The Power Slot 'vane' design allows for better heat dissipation and improved braking performance in wet and dry conditions. These rotors feature a black e-coat finish on the non-friction surfaces for lasting corrosion resistance. This part number (126.61099SR) refers to a single (1) Right Rear side rotor. Specification: Diameter: 271mm, Height: 40.8mm, Thickness: 11mm. Included components: [1 x StopTech 126.61099SR Slotted Brake Rotor].