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The Power Stop Evolution drilled and slotted zinc-plated rotor pair is a rear upgrade for 2011–2020 GMC Sierra 3500 HD models. Precision cross-drilling and rounded slots improve cooling and evacuate gases, dust, and moisture for better pad contact. Zinc plating provides corrosion protection, and the rotors are manufactured to strict tolerances and dynamically balanced for smooth operation as a direct-fit replacement.
Power Stop 11-20 GMC Sierra 3500 HD Rear Drilled & Slotted Rotor - Pair
