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The PowerStop Evolution drilled and slotted rotors are a bolt‑on cooling and performance upgrade for 2016–2021 Mazda MX‑5 Miata front applications. Precision cross‑drilling and rounded slots evacuate gases, dust and moisture to keep an effective friction contact patch while chamfered holes reduce stress cracking. Zinc plating protects against corrosion and dynamic mill balancing plus strict tolerances deliver smooth operation; sold as a matched pair for direct OE replacement.
Power Stop 16-21 Mazda MX-5 Miata Front Evolution Drilled & Slotted Rotor - Pair
