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ACDelco has a "totally correct" spark plug for your Corvette's engine. Sure, others work, but none will perfectly complement the ignition system. ACDelco spark plugs are designed to achieve the optimum in engine performance when used in connection with ACDelco's total ignition system. In fact, the spark plugs even use a special resistance in the plug just for your engine so that radio interference is minimized. Insist on genuine ACDelco spark plugs.
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