AUTOLITE SPARK PLUG XS4164/4 IRIDIUM XTREME SPORT - 4-XS4164
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$13.95
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- Engineered to meet or exceed OE designs and withstand the extreme operating temperatures experienced during a powersports engine's combustion
- Iridium-enhanced 0.6mm finewire design for improved ignitability, faster fuel combustion and a more focused ignition versus standard plugs
- Up to 26 percent quicker starts compared to that of standard plugs and as much as 21 percent less hydrocarbon emissions than standard plugs, which promotes better fuel efficiency and horsepower