Classic Industries offers a wide selection of Emission Control Components for your 1978 Ford F-150. Classic Industries offers 1978 Ford F-150 Catalytic Converters, 1978 Ford F-150 Check Valves, 1978 Ford F-150 EGR Valves, 1978 Ford F-150 Emissions Sensors, 1978 Ford F-150 Hardware, 1978 Ford F-150 Hoses & Clamps, 1978 Ford F-150 Mass Air Flow Sensor, 1978 Ford F-150 Pulleys, 1978 Ford F-150 Smog Pumps & Components, and 1978 Ford F-150 Vapor & Charcoal Parts.