FTP Introduces A complete set of 16 Iridium NGK Spark plugs for your M113K Engine that will offer you Many trouble free miles after replacement. We recommend replacing your spark plugs every 60,000 Miles or Less for Racing Applications.If you are adding a Pulley or Tune these are a must have as they are a Step Colder Heat range and will help with cylinder Temperatures. 

NGK Premium Iridium Plugs

$139.99Price
Select Heat range
  • Product Information:

    -Direct Replacement of your Factory Spark plugs in ANY M113K Engine
    -Premium IX Plugs for Optimal Performance
    -One Step Colder Heat Range for Optimal combustion Temperatures
    -Reduces Temps and Cylinder Detonation