NGK Spark Plug-Solid 3961 [MPN: 3961]

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Product Description Multi-Ground Electrodes Improve Ignition Capabilities and are Less Sensitive to Increased Voltage Requirements Due to Gap Growth. Designed to Specific Manufactu rer Ignition Requirements, NGKs Multi-Ground Plugs Maintain All the Features of Their Standard Plugs, Including:Corrugated Ribs to Prevent Flashover. Pure Alumina Silicate Ceramic Insulator, Providing Superior Strength and Better Heat Transfer. Copper Core to Aid in Heat Removal. Triple Seals to Prevent Leakage. Superior construction for serious power NGK makes plugs for almost every application and riding style Versatile plugs with wide operating heat ranges prevent fouling from running too cool and preignition from running too hot Features high alumina ceramics for improved heat dissipation and electrical insulation, deep-seated copper core for a wider heat range and a nickel alloy tip for longer life Show more