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The PowerStop Evolution drilled and slotted front rotors for 1990–1993 Mazda Miata are a bolt-on upgrade offering improved brake cooling and cleaner pad contact. Precision cross-drilled holes and rounded slots sweep away gasses, dust and moisture while chamfered holes reduce stress cracking. Zinc dichromate plating adds corrosion resistance; rotors are dynamically balanced and match original equipment specifications.
Power Stop 90-93 Mazda Miata Front Evolution Drilled & Slotted Rotors - Pair
