These Hawk 1984-1987 Corvette Front Ferro-Carbon Brake Pads provide increased stopping power and is gentle on rotors. Front axle set. High Friction pads designed for hot or cold conditions. Ferro-Carbon material is virtually noise free and is a perfect compliment ot the C4 Corvette brake system. Ferro-Carbon is a unique, high-tech family of friction materials developed and manufactured by Hawk Brake for the racing community. Hawk Pads do not require an extensive "bedding-in" procedure. Keep in mind however, that all disc brake pads require a short period of bedding-in before being used to the maximum of their potential.