NGK 5464 Iridium IX Spark Plug (4 Pack) BKR5EIX-11

Introducing the ultimate evolution in spark plug technology and performance. 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.