Iridium spark plug CR7EIX

Ok for racing! Introducing the ultimate evolution in spark plug technology and performance.  It is the combination of design features in NGK’s Iridium spark plugs that allows your engine to run more efficiently, producing cleaner exhaust emissions and more power though better ignitability under load and high RPM Superior to Platinum, NGK Iridium spark plugs benefit from their unique patented design which features: A Super Fine Centre electrode (0.6mm), reducing voltage requirements, minimizing flame quenching and allowing for a stronger spark New Iridium material with superior anti-oxidation, anti-corrosion and extremely high melting point characteristics Unique 2 stepped centre electrode - a secondary micro discharge burns off carbon deposits as they form Minimized gap growth between electrodes, giving longer life Tapered Cut Ground Electrode ensures an excellent flame spread and improved vibration resistance To suit scooters that take short reach plugs, generally 4 stroke and including: Chinese QMB139 / 139QMB 4T 50, 125 and 150cc scooters. Brands include Vmoto, CF Moto, Forza, CNell, Jonway, Huawin, Motostar, Baotian, Boatian, Solana, Arrow, Fierce, Forza, "Factory Built", Wolfboy, Qingqi, Kinroad etc also other generic brands registered as "Moped" etc) 110cc and 125cc Chinese pit bikes