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Spark Plug - Iridium TT | Iridium TT - Ultimate Endurance and Power, 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology | Gap .040
Spark plugs ignite the compressed air/fuel mixture in each cylinder, and their condition directly affects combustion efficiency, fuel economy, and emissions. Signs of worn plugs include: difficulty starting, a rough idle, a hesitation or misfire under acceleration, reduced fuel economy, or a check engine light with misfire codes. Replace spark plugs on schedule - new plugs restore clean ignition performance and can noticeably improve fuel economy.
Denso Iridium TT (Twin-Tip) spark plugs feature iridium center electrodes and platinum ground electrodes for maximum longevity and consistent performance. Engineered to OE specifications with service intervals up to 100,000 miles.
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