The best spark plugs of 2024

Spark plugs are one of the most important parts required to start a combustion engine. Here's a selection of the best spark plugs. 

Honda CB350 / CB360 / CB450 Spark Plug NGK BR8ES

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BMW N20 OEM Spark Plugs – BMWSparkPlugs

BKR8EIX NGK 2668 Iridium Spark Plug - Best Car Spark Plug

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Ruthenium HX™ Spark Plugs - NGK Spark Plugs