Classic Industries offers a wide selection of Emission Control Components for your 1965 Pontiac GTO. Classic Industries offers 1965 Pontiac GTO Catalytic Converters, 1965 Pontiac GTO Check Valves, 1965 Pontiac GTO EGR Valves, 1965 Pontiac GTO Emissions Sensors, 1965 Pontiac GTO Hardware, 1965 Pontiac GTO Hoses & Clamps, 1965 Pontiac GTO Mass Air Flow Sensor, 1965 Pontiac GTO Pulleys, 1965 Pontiac GTO Smog Pumps & Components, and 1965 Pontiac GTO Vapor & Charcoal Parts.