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R1 Concepts GEO-Carbon drilled and slotted rotors for 2004–2012 Chevrolet Cobalt front applications feature a carbon-coated surface, precision-drilled holes and diamond slots to improve cooling and pad bite. Built from G3000-grade cast iron and mill-balanced for correct function, these rotors meet OEM specifications, include rust protection, and are offered as direct-fit replacements to support reliable street braking.
R1 04-12 Chevrolet Cobalt Front Drilled & Slotted Carbon Coated Brake Rotor Set
