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Compared to the genuine ignition coil's single spark, this ignition coil generates 4 sparks within a thousandth of a second from the low to mid-rev range (1,000 to 4,000rpm), greatly enhancing the ignition performance. Thanks to a significant increase in the number of coil windings, even in the high rev range where it switches to a single spark, combustion efficiency is improved with up to 46% more spark energy than the original specification.