Denso Iridium Power Ik20l 4 Pcs Spark Plug

Denso Iridium Power Ik20l 4 Pcs Spark Plug, To Increase Ignitability, The Important Point Is to Let the Flamekernel Caused by The Spark to Grow to A Large Size. Normally, This Can Be Accomplishing by Widening the Spark Gap, However This Causes Spark Voltage to Increase, Which Has the Opposite Effect. Iridium Power Uses Denso Very Own U-groove Ground Electrode to Realize a Superb Ignitability While Maintaining Spark Voltage at Low Levels.