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Add to CartThis AC Delco spark plug iridium construction provides outstanding strength and high temperature resistance. Iridium allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration with smooth engine performance.
California Residents: 
WARNING
Cancer and Reproductive Harm -
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AC Delco 41-962 Iridium Spark Plug This AC Delco spark plug iridium construction provides outstanding strength and high temperature resistance. Iridium offers reliable cold starting, quick...
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AC Delco 41-963 Iridium Spark Plug This AC Delco spark plug iridium construction provides outstanding strength and high temperature resistance. Iridium fine-wire electrode helps improve...
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AC Delco MR43T Iridium Spark Plug This AC Delco spark plug iridium construction provides outstanding strength and high temperature resistance. Made with nickel alloy tip, copper core and ribbed...
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