The distributor cap and rotor in this set are a premium, hi performance brand. Not AC Delco
Tune-up Set Includes:
153001 1982 Air Filter
273002 1975-1984 Distributor Cap and Rotor Kit
303009 1976-1984 Spark Plug
303095 1981-1984 PCV Valve
303166 1978-1982 HEI Spark Plug Wire
353001 1982-1984 Fuel Filter (Can Type)
303368 1968-1991 Short Oil Filter-Spin On
Electrical components such as a tune up kit are non-returnable parts.
Always refer toa factory service manual when diagnosing engine service problems. You can damage electrical components if the proper procedures are not followed. Be sure you are replacing the correct part.