4pcs Ngk Iridium Ix Spark Plugs Bkr6eix

- Make sure you reference your owner’s manual BEFORE ordering car parts. THIS ITEM IS NON-RETURNABLE. - Set of 4 spark plugs. - NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough to ensure the maximum durability and life of the spark plugs-and just thin enough to create an accurate and consistent spark - They represent the ultimate evolution of spark plug technology and performance - Iridium is the hardest metal used in spark plugs today-six times harder than platinum. This allows for reduced voltage requirement for a spark - Lower fuel consumption - Longer life - Smoother engine running - Improved ignition - Resistor: Yes - Manufacturer Heat Range: 6 - Electrode Tip Material: Iridium - Electrode Core Material: Copper - Insulator Type: Projected - Spark Plug Thread Size: 14mm