Hawk HB143D.680 ER-1 Endurance Racing Front Disc Brake Pad Set

The Hawk Performance HB143D.680 is a front disc brake pad set featuring Hawk's motorsport-proven ER-1 compound, engineered specifically for the endurance racing market. With a pad thickness of 0.680 inches, these pads deliver consistent medium-to-high friction with superior pad and rotor wear characteristics, making them a top choice for drivers who demand reliability over long stints.

Key Features:

• ER-1 compound developed for endurance racing, track days, time trials, and HPDE events
• Consistent medium-to-high friction output with excellent modulation and pedal communication
• Superior pad and rotor wear for extended service life under demanding conditions
• Higher coefficient of friction than competing endurance pads with matched or improved lifespan
• Specific emphasis on modulation, release, and pedal feel — ideal for light-to-medium weight vehicles
• Friction stability maintained across a wide thermal range for hour-after-hour consistency
• Compatible with iron/metal rotors only — not compatible with carbon ceramic rotors

The ER-1 formula has been validated across some of America's most prestigious endurance racing events, delivering well-rounded performance in sprint racing, time attack, and track day environments alike. Pad thickness: 0.680 in.