StopTech Sport Drilled & Slotted Brake Rotors are 1-piece direct replacement brake discs for your factory brake system and stock calipers. They offer improved stopping power and cooling compared to standard rotors. This specific part (127.34144L) is for the Rear Left position. The package includes: 1x StopTech Sport Drilled & Slotted Brake Rotor (Part Number: 127.34144L). Features include a black e-coat finish for corrosion protection, unique cross-drilling and slotting for heat dissipation and gas evacuation, and high-quality metallurgy to resist cracking.