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PowerStop Evolution drilled-and-slotted rear rotors for 1990–1993 Mazda Miata are a direct-fit bolt-on upgrade that helps maintain a clean friction surface and improve cooling under spirited driving. Rounded slots and chamfered drill holes sweep away gases, dust and moisture while precision drilling enhances heat dissipation. Zinc plating provides corrosion resistance and rotors are dynamically balanced and sold as a matched pair.
Power Stop 90-93 Mazda Miata Rear Evolution Drilled & Slotted Rotors - Pair
