StopTech Slotted Sport Brake Rotors are premium 1-piece replacement brake discs for factory brake systems. The directional slotting aids in dispersing heat, water, and brake dust while improving initial bite. This part number refers to a single LEFT/FRONT rotor. Replacement parts for a complete axle set include: 126.51020SL (Front Left Rotor) and 126.51020SR (Front Right Rotor). Features a black e-coat finish for superior corrosion protection and high-carbon metallurgy for noise reduction and crack resistance.