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EBC GD Sport slotted front rotors for 2017+ Audi A4 (B9) are produced from OE‑spec grey iron and machined to tight tolerances. The slotted and dimpled 3GD design helps clear debris, lower operating temperatures and reduce fade during sustained braking. A corrosion‑resistant Geomet coating is applied to protect the rotor surface while preserving consistent, predictable braking feel.
EBC 2017+ Audi A4 (B9) GD Sport Slotted and Dimpled Front Rotors
