Original equipment spark plugs are designed to totally complement every other component in your factory ignition system. The resistance in an AC spark plug is perfectly matched to your ignition system so that radio interference is minimal. You'll realize optimum performance when AC Delco plugs are used in an AC Delco ignition system.
Electrical components such as spark plugs are non-returnable parts.
Always refer to a 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.
ZR1 SPARK PLUGS
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
| Make |
Model |
Years |
| Chevrolet |
Corvette |
1990 - 1992 |
IMPORTANT: Electrical items are covered by a 30 day EXCHANGE ONLY WARRANTY. There are no returns or refunds on such items.
