The PowerStop Z23 Evolution Sport brake upgrade kit for 2019–2020 Buick Regal Sportback rear applications delivers Carbon‑Fiber Ceramic pads with drilled and slotted rotors plus stainless‑steel hardware for a bolt‑on performance upgrade. The Z23 compound and rotor combination is engineered to increase stopping power, reduce dust in everyday use, and improve rotor cooling while zinc plating helps resist corrosion.
Power Stop 19-20 Buick Regal Sportback Rear Z23 Evolution Sport Brake Kit