StopTech Sport Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers. They feature a unique cross-drilled and slotted pattern that provides improved cooling, better bite, and shorter braking distances. The durable black e-coating on non-friction surfaces protects against corrosion. This item contains: 1x StopTech 127.40040L Slotted & Drilled Brake Rotor (Rear Left Passenger Side). Technical specs: 260mm Diameter, 5-Lug Bolt Pattern, Solid Design.