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The R1 Concepts drilled black brake rotor fits 1977–1980 Buick commercial chassis applications, specified for the rear-left position. The drilled design and black finish are the product details provided in the source. This rotor is intended to replace a worn or damaged disc at the left rear hub, restoring the braking surface for the listed Buick commercial chassis years.
R1 77-80 Buick Commercial Chassis Rear Left Drilled Black Brake Rotor
