Hawk Performance DTC-70 Brake Pad Set (HB645U.490) is a high-performance racing compound designed specifically for professional road racing and circuit use. The DTC-70 compound provides extremely high torque and a highly aggressive initial bite with superior release and control characteristics. This set is engineered for the Wilwood DynaPro 6 (Type 6712) caliper series. The package includes: Hawk Performance DTC-70 Brake Pad Set (Part No: HB645U.490) containing 4 pads for one axle. Technical specifications: Optimal Operating Temperature: 400-1600°F (204-871°C), Pad Shape Series: HB645 (Type 6712), Thickness: 0.490 inch.