Hawk Performance HB470N.643 HP+ (High Performance Street Plus) brake pads are designed for the serious enthusiast who needs a pad capable of handling autocross, track days, and spirited street driving. Utilizing a unique Ferro-Carbon material, these pads offer significantly higher friction coefficients than stock pads and exceptional fade resistance. This kit includes a complete set of front axle brake pads (4 pieces) with the FMSI designation D1009. Material: Ferro-Carbon. Optimal Temperature Range: 100-600°F. Part Number: HB470N.643.