Hawk ER-1 endurance racing brake pads for Porsche 911 provide a racing-grade friction compound formulated for sustained track use. Sized to fit racing calipers such as Wilwood SL, AP Racing and Outlaw, ER-1 pads are intended to work with iron or metal rotors and deliver consistent braking under endurance conditions. Engineered for endurance events.
Hawk Porsche 911 ER-1 Endurance Racing Brake Pads (Works with Iron/Metal Rotors)