All drivers rely heavily on their brake pads to deliver optimum performance for safety and stopping ability, and with Wildwood Purple Compound brake pads you get just that! Wilwood Purple Compound brake pads offer long wear rates and high fade resistance for special applications where intermittent high-temp spikes occur. They provide the most aggressive friction with aluminum rotors on sprint cars, but are also compatible with steel rotors or iron rotors. So, for reliable braking power, use Wilwood Purple Compound brake pads--after all, there's a lot riding on your brakes!