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Counterman Education Center

VIDEO: High-Ignitability Spark Plugs

In recent years we’ve seen a shift to spark plugs coated with precious metals such as platinum and iridium.

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For decades, the standard spark plug featured a nickel-alloy outer material fused to a copper-cored center electrode. While spark plugs today still utilize a copper core, in recent years we’ve seen a shift to spark plugs coated with precious metals such as platinum and iridium.

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The reason for the shift is the proliferation of downsized engines with less displacement for fuel combustion, which has driven parts manufacturers to come up with advanced spark plug designs that use stronger and harder metals to improve engine performance and reliability. 

This video is sponsored by the Automotive Distribution Network.

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