NGK Laser Iridium Spark Plugs deliver superior ignitability, longer service life have a copper core and ribbed suppressor seal for durability and performance
Check your engine owner’s manual for the correct spark plug and use only the plug as recommended by your engine’s original equipment manufacturer
NGK Trivalent metal plating also provides superior anti-corrosion in the marine environment and anti-seizing for easier removal
Don’t just clean used spark plugs, replace them with new plugs for better performance
