The Hawk Performance DTC-70 is a professional-grade race compound designed for vehicles with high deceleration requirements. It features a high-torque characteristic with superior controllable release and incredibly stable friction levels. Specifically engineered for extreme track environments. This kit includes a complete axle set: 4 x Brake Pads (HB550U.634). Technical specifications: Thickness: 16mm; Pad Shape: HB550; Friction Compound: DTC-70 (High Temp Race Range: 400-1600°F).