StopTech Slotted Sport Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers. The 126.44158SL (Left Side) features a unique vacuum-cast alloy and specialized directional slotting that improves braking performance by wiping away debris, gases, and heat. The durable black e-coating on non-friction surfaces provides superior corrosion resistance. This part includes: 1x StopTech Slotted Sport Front Left Brake Rotor (P/N 126.44158SL). Note: For a complete front axle set, this item should be paired with the Right Side rotor (P/N 126.44158SR).