StopTech Sport Brake Pads (formerly Street Performance) are designed for high-performance street driving and light track use. The 309.04840 series provides superior stopping power, excellent pedal feel, and high resistance to brake fade. This kit includes: Front Brake Pad Set (4 pieces), High-temp electronic wear sensors (where applicable), and specialized shim technology to eliminate noise. Key features: Para-aramid composites for consistent friction across wide temperature ranges, scorched surfaces for improved bed-in, and 100% positive molded for uniform density.