The ER-1 (Endurance Racing) compound from Hawk Performance is designed for high-performance racing conditions, offering a consistent friction coefficient and excellent pad life. This high-performance brake pad set is engineered specifically for the rear axle of Porsche models equipped with Brembo calipers. The kit includes: Hawk ER-1 Brake Pads (4 pcs) - SKU: HB290D.583. Key features include high thermal stability, predictable modulation, and extreme fade resistance during long-distance racing sessions.