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The PowerStop Evolution drilled and slotted rear rotors are a direct-fit, bolt-on upgrade for 2017–2019 Audi A4 applications and are sold as a matched pair. Precision cross-drilled holes and rounded slots improve cooling while sweeping away gases, dust and moisture to preserve a clean friction contact patch. Zinc dichromate plating resists rust and corrosion. Manufactured to strict tolerances for DTV and runout, these rotors match OE weight and vane count, arrive 100% dynamic mill balanced, and require no special modifications for installation.
Power Stop 17-19 Audi A4 Rear Evolution Drilled & Slotted Rotors - Pair
