NGK Resistor V-Groove Spark Plug - ZFR5N FD2086 NGK Platinum Spark Plug -

NGK Platinum Spark Plug - PFR7B

Increasing Ignitability and Reducing Quenching

NGK Resistor V-Groove Spark Plug - ZFR5N

Due to continuing development

NGK Standard Spark Plug - ZFR6T-11G

NGK Resistor V-Groove Spark Plug - ZFR5N FD2086 NGK Platinum Spark Plug -NGK Resistor V Groove Spark Plug ZFR5N. NGK is the worlds largest manufacturer of spark plugs. NGK's extensive range of spark plugs has been designed specifically to suit individual engine applications and are manufactured to match or exceed original equipment specifications. NGK V Groove Spark Plugs Feature a Unique V Cut in the Center Electrode that Directs the Spark to the Edge of the Electrode, Helping the flame kernel Develop More Rapidly,