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Add to CartThis AC Delco spark plug iridium construction provides outstanding strength and high temperature resistance. Iridium fine-wire electrode helps improve ignition of the fuel and burns away carbon deposits on the tip of the plug as they form, to help improve fuel economy. Iridium offers reliable cold starting, quick acceleration, and smooth engine performance.
Using the latest in spark plug technology AC Delco is a trusted brand that will provide quick start ups when it matters most.
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
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