Hawk Performance ER-1 (HB671D.628) Endurance Racing brake pads are engineered for superior heat management and consistent friction levels during long-distance racing events. This high-performance kit provides excellent pedal feel and modulation. Included in the set: 1x Rear Brake Pad Set (4 pads), Hardware Kit (Stainless Steel Clips), and Anti-Squeal Shims. Part Number: HB671D.628 / Compound: ER-1.