NGK UR4 Sytytystulppa

Spark Plug for Crusader, OMC and Mercruiser. NGK Iridium IX Spark Plugs utilise a 0.6mm Iridium alloy centre electrode and traditional ground electrode to improve ignition efficiency and extend service life. For best performance consider a Denso Iridium Power or Iridium Tough Spark Plug.