The Hawk Blue 9012 (HB518E.642) is a specialized race-only brake pad compound designed for competitive track use. Known for its high initial bite and consistent torque, the Blue 9012 compound is an industry standard for amateur racing and track day enthusiasts. This kit includes: 1x Rear Brake Pad Set (4 individual pads) SKU HB518E.642. Key features: Operating temperatures between 250-1000°F, high friction output, and excellent modulation. Warning: For track use only. Not suitable for street use due to high dust, noise, and potential rotor wear at low temperatures.