StopTech Sport Rotors are 1-piece direct replacement brake discs for your factory brake system and stock calipers. They offer improved cooling as well as other advantages the competition doesn't offer. StopTech Sport Rotors feature a unique cross-drilled and slotted pattern for optimized degassing and heat dissipation. The black e-coat finish provides long-lasting corrosion resistance. This product contains: 1x Left Front Slotted & Drilled Brake Rotor (Part Number: 127.40048L). Key features: Improved braking performance, high-quality metallurgy, and direct OEM fitment.