Iridium Tune Spark Plug - ISO 6

GReddy Spark Plugs are designed in cooler heat ranges to reduce heat and chances of pre-ignition. The reason it is so durable is the very fine, 0.6mm dia. Iridium electrode. Iridium Tune Spark Plugs are ideal for low to medium tuned engines, factory turbocharged engines or bolt on turbo kit equipped vehicles.

Engine Spark Plug Application Guide: | Toyota | Nissan | Honda | Mazda | Mitsubishi | Subaru |

                                                      (*larger the number the colder the heat range)

Type: Iridium Tune  (0.6mm Iridium Center Electrode)

ISO 6  - (International Standards Organization) 50.5mm (1.98")

       1pc.  (4 cylinder engines would require 4pcs, 6 cylinders engines would require 6pcs.)