StopTech Sport Slotted Brake Rotors are 1-piece direct replacement brake discs for factory brake systems and stock calipers. The 126.33137SL is a Rear Left Side premium performance rotor featuring a specialized vacuum-cast iron alloy for increased strength and durability. The directional slotting aids in the dispersal of heat, brake dust, and water, ensuring consistent braking performance and improved pad bite. It features an E-coating finish for superior corrosion resistance and a high-performance look. Product includes: 1 x Performance Slotted Brake Rotor (Rear Left) - Part Number: 126.33137SL.