Spark Plugs » 4940 NGK Racing Spark Plug. Part# R0373A-10
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Publisher: NGK Spark Plugs
Product Review
Fine wire racing plugs are designed to give you a stronger spark from your existing ignition system. Fine wire center electrode requires less voltage to ionize(jump) the plug gap. This allows a stronger spark which will better ignite the air fuel mixture
Product Features
NGK Racing Spark Plug
Fine Wire Iridium Center Electrode, Platinum Tipped Ground Electrode
