The PowerStop Evolution drilled and slotted rear rotors for 2005–2008 Chevrolet Cobalt are a bolt‑on cooling upgrade designed to improve brake performance in demanding conditions. Precision cross‑drilled holes and rounded slots clear gasses, dust and water to preserve pad contact. Manufactured to strict tolerances with weight and vane count matching OE design, these zinc‑plated rotors are 100% dynamic mill balanced and sold as a pair.
Power Stop 05-08 Chevrolet Cobalt Rear Evolution Drilled & Slotted Rotors - Pair