Spark Plug 1 - Earthed Electrode,connector type M4,Nickel Middle Electrode,No interference suppression,with gasket seat. Spark Position [mm] 1,6 mm. Will this item fit your vehicle?.
I have used NGK plugs in All of my 27 bikes in 50+ years of riding and racing. Always consistent positive results. Tried other brands only to regret doing so. NGK is the way to go, Period. Nuff said.