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R1 Concepts rear drilled and slotted Geoperformance rotors for Buick Regal Sportback (2016–2025) are listed as rear replacement rotors for those Regal Sportback years. The drilled-and-slotted design supports pad cleaning and heat dispersion, providing a vehicle-specific rear rotor option intended to fit the braking assembly on the specified Buick Regal Sportback models.
DFC 16-25 Buick Regal Sportback Rear Drilled & Slotted Geoperformance Rotors
