Hawk Hawk ER-1 Brake Pads; Front - HB905D.646

The Hawk ER-1 brake pads have a specific emphasis on modulation, release and pedal communication, ideal for light to medium weight vehicles used at track day events, time attack or endurance racing. The medium to high torque provides consistent performance and superior pad & rotor wear.

Brand: Hawk
Reference: HWK-HB905D.646
Pad compound: Semi-Metallic
Pad series: ER-1
Package contents: 1 set of pads for two calipers

The ER-1 compound has been developed by Hawk Performance for the
endurance racing market with a simple goal; to offer a higher
coefficient of friction than competing endurance pads while maintaining
matched or improved lifespan. Years of testing across America’s most
prestigious races has resulted in a well-rounded compound that offers
ideal modulation and pedal communication, with ground breaking friction
stability across the thermal range. This consistency of performance,
hour after hour, makes it ideal for not only endurance racing, but also
track days, time trials and even sprint racing.

Operating temperatures: 200-870°C
Optimal temperature range: 370-590°C

Compatible vehicles and brake systems:

• Porsche 911 Carrera 4S 3.0 Twin Turbo 2015-2019 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 Carrera GTS 3.0 Twin Turbo 2017-2019 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 Carrera S 3.0 Twin Turbo 2015-2019 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 3.8 Twin Turbo 2013-2015 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 3.8 Twin Turbo S 2013-2015 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 3.8 Twin Turbo 2015-2019 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 3.8 Twin Turbo S 2015-2019 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 GT2 RS 3.8 Twin Turbo 2015-2019 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 Carrera 4S 3.0 Twin Turbo 2019-2025 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 Carrera S 3.0 Twin Turbo 2019-2025 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 Carrera 3.0 Twin Turbo 2025-Present [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 Carrera 4 3.0 Twin Turbo 2025-Present [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 Carrera 4S 3.0 Twin Turbo 2025-Present [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 Carrera S 3.0 Twin Turbo 2025-Present [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 3.8 Twin Turbo 2020-2025 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 911 3.8 Twin Turbo S 2020-2025 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 718 Boxster GTS 4.0 Turbo 2020-Present [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 718 Boxster Spyder 4.0 2019-2023 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 718 Cayman GT4 4.0 2019-2023 [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]
• Porsche 718 Cayman GTS 4.0 2020-Present [Front; Front: Brembo / Rear: Brembo (w/ Iron Discs)]

Supplier lead time: Delivery time longer than 5 weeks. Confirm availability and fitment before ordering.