DENSO IK20 Iridium Power Spark Plug Ik20 X 4Pieces Ignition Plugs Racing Upgrade

Denso Iridium Power spark plugs are the world's finest 0.4mm iridium center electrode. Its high performance is only possible from the 0.4mm center electrode. The astounding durability of DENSO's patented iridium alloy was a sensation in the aftermarket field. Drivers can now experience the sensation of acceleration previously unavailable until the birth of IRIDIUM POWER. Use IRIDIUM POWER and give yourself a ride that you've never experienced before. The benefits of DENSO Iridium Power Spark Plugs are : Improve Horse power Improve Fuel Mileage Improve Acceleration