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}Denso® 3491 Iridium Long Life Series Spark Plug, Sold individually 6, 3.5
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Highlights
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Vehicle Fitment Information
Product Information
DENSO PREMIUM CLASS IRIDIUM LONG LIFE SPARK PLUG
Denso Premium Class Iridium Long Life Spark Plug is fast becoming the standard for today's high-tech engines. Employing a revolutionary 360 degrees laser welding process, Denso has created a spark plug unlike anything on the market today. This particular spark plug is designed for durability under the most extreme conditions, thanks to a patented Iridium alloy that is 6 times harder and 8 times stronger than conventional platinum and can handle temperatures in excess of 4,000 degrees Fahrenheit.
- Features fine-wire iridium center electrode for maximum firing performance and minimum voltage requirements
- Platinum ground electrode resists gas and electrical erosion and corrosion extending service intervals to 100,000 miles
- Tapered cut improves firing performance by reducing quenching
- Withstands higher pressures and temperatures
Founded in 1949, DENSO is a leading aftermarket supplier of innovative, OE-quality products and technologies in the automotive industry.