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Quicksilver 889246Q39 NGK ILFR6GE Laser Iridium Spark Plug, 1-PackThe ILFR6GE Laser Iridium series plugs come pre-gapped as specified by your engine manufacturer. Always check the gap prior to installation. Use only the spark plug listed in your engine owner's manual. Using the wrong plug can reducing optimum performance, reduce fuel economy or cause damage to you...$19.00$27.69