1975 GMC K15. 1976-1978 GMC K15. Notes: Rotors-Drilled and Slotted-Silver with 5000 Advanced Brake Pads -- Rotor Only. Zinc Plated silver for rust protection on the rotor hub, vents, and edge. Drilled and Slotted Premium Brake Rotors will give you shorter stopping distance especially in wet weather.
