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 cooling pattern that increases initial bite, improves heat dissipation, and reduces brake fade. The e-coated finish provides long-lasting corrosion resistance. This particular part (127.63069L) is the Front Left side rotor. Included in this single rotor unit: 1x StopTech Slotted & Drilled Brake Rotor (Part No. 127.63069L). For a complete front set, the matching right side is 127.63069R.