StopTech Slotted Sport Brake Rotors are premium 1-piece replacement brake discs for factory brake systems and stock calipers. Featuring a unique directional slotting (Left Side: 126.34019SL) that aids in heat and brake dust dispersal, these rotors provide improved initial bite and shortened stopping distances. Finished with a black e-coating on the non-swept surfaces for superior corrosion resistance. This part number refers to a single left-side front rotor. Specification: Diameter 312mm, Thickness 25mm, Vented. Items included: 1x StopTech Sport Slotted Left Front Brake Rotor (P/N 126.34019SL). For a complete front set, please also order the right-side rotor (P/N 126.34019SR).