StopTech Sport Brake Pads (formerly Street Performance) are designed for enthusiasts who demand high performance during spirited driving or light track use. These pads utilize a high-temperature lab-developed friction compound to provide consistent fade resistance and excellent pedal feel. This set (309.10040) is for the rear axle. Includes: 1x Rear Left Inner Pad, 1x Rear Left Outer Pad, 1x Rear Right Inner Pad, 1x Rear Right Outer Pad. Features: Para-aramid composites for linear response, scorched surface for improved bed-in, and low-dust formula. Ideal for autocross and daily driving.