AC Delco Iridium Professional Spark Plug (41-993)

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  • Regular price $15.99
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Part Number: 603-419934
Smaller, more efficient, Iridium electrode designs improve cold starting and quicker acceleration. Designed to last over 100,000 miles in most applications. Require reduced ignition system voltage which increases lifespan of costly ignition system components. 100,000 mile limited warranty.