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Hawk ER-1 Rear Race Brake Pads for Select Porsche 911, Boxster and Cayman Applications with Iron Rotors - HB664D.634
Hawk ER-1 Rear Race Brake Pads for Select Porsche 911, Boxster and Cayman Applications with Iron Rotors - HB664D.634
Hawk ER-1 Rear Race Brake Pads for Select Porsche 911, Boxster and Cayman Applications with Iron Rotors - HB664D.634
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In stock

Hawk ER-1 Rear Race Brake Pads for Select Porsche 911, Boxster and Cayman Applications with Iron Rotors - HB664D.634

by Hawk Performance
Special Order Item: This item is not stocked in-house and may require additional processing time before shipping. Details
Special Order Save 10% Save 10%
$357.99
$357.99 - $357.99
$357.99
$322.19
$322.19 - $322.19
$322.19

Hawk ER-1 rear race brake pads for select Porsche 911, Boxster and Cayman applications with compatible iron rotors.

Use the SMG vehicle selector and confirm the installed rear brake package before ordering.

ER-1 Compound

Endurance racing compound designed for stable brake torque, modulation and long service life in demanding motorsports use.

Important: Expect increased noise, dust and rotor wear.

  • Rear axle pad set
  • Hawk pad shape: HB664
  • Hawk part number: HB664D.634

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