tapered point
Traditional center electrode, 2.5mm
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Tapered center and ground electrodes operate on the same principles as fine wire electrodes. These will typically perform better than a traditional plug. There are two reasons for this, first is because a smaller center electrode requires less voltage to jump the gap. This means fewer misfires, which should be seen in higher mileage and more horsepower. The second reason is smaller center and ground electrodes reduce quenching. Some tapered cut plugs are available with platinum electrodes for extended life. |
