NGK 7558 ZFR5F V-Power Spark Plug

NGK 7558 ZFR5F V-Power Spark Plug. NGK&';s V-Power Plugs Feature a Unique V-Cut in the Center Electrode that Directs the Spark to the Edge of the Electrode, Helping the Spark Develop More Rapidly, Increasing Ignitability and Reducing Quenching.