These performance brake pads are designed with an advanced performance formulation, which provides smoother and more predictable responses even over high temperatures. R1 PERFORMANCE Sport Series is designed to operate exceptionally well in advanced cars, high speed usage, and a very wide range of driving conditions. Recommended Use: Street Performance, Weekend Track Racers/Autocross, and some Off-Road 100% copper-free formulation makes it safe for people and the environment. Recommended Vehicles: All Vehicles Plug and play - No Modification 100% asbestos-free formulation