Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Guaranteed to deliver quick starts, good fuel economy and smooth acceleration, Autolite Copper Core spark plugs are designed to meet or exceed ors design requirements. Consider upgrading to Autolite platinum, double platinum or iridium XP plugs for improved engine performance. Copper Core plugs are the industry standard. Autolite is an official NASCAR performance partner.
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Autolite Copper Spark Plug
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