Race Driven Yamaha Front and Rear Brake Rotors and Severe Duty Brake Pads for Rhino YXR660 660 YXR450 450 Race-Driven Front and Rear Brake Rotors and Severe Duty Brake Pads Race-Driven exclusive sintered metal compound brake pads are designed to withstand extreme conditions Standard rotors are designed to replace original stock rotors Check the fitment chart for the year, make and model of your machine