StopTech Sport Slotted Brake Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers. The Power Slot design aids in heat and brake dust dispersal, prevents pad glazing, and improves wet weather braking performance. This specific part (126.33125SR) is the Right Rear position. Specifications: 330mm Diameter, 22mm Thickness, 5-Lug Bolt Pattern. Product includes: 1x Right Rear Slotted Brake Rotor (MPN: 126.33125SR).