2 sets required for vehicles with front and rear drum brakes Friction material includes disc brake pads and drum brake shoes At each wheel, pressurized brake fluid moves pistons Pistons press brake friction material against a rotating rotor or drum, slowing down the vehicle. Caliper pistons move brake pads, while wheel cylinder pistons move brake shoes. Friction materials are designed to match original equipment specifications and provide the quietest and safest braking in the industry. Friction pads and shoes are available in a variety of formulations designed to meet the demands, needs, and driving conditions that customers require.
