33-8M0204739 - NGK ITR4A15 @4

33-8M0204739  NGK ITR4A-15 Laser Iridium Spark Plug

NGK Fine Wire Tipped Center Electrode Laser Iridium Spark Plugs deliver slow wear rate, stable idle, superior anti-fouling, improved fuel efficiency and lower emissions

NGK Trivalent metal plating also provides superior anti-corrosion in the marine environment and anti-seizing for easier removal

The ITR4A-15 spark plugs come pre-gapped as specified by your engine manufacturer. Use only the spark plug listed in your engine owner’s manual. Using the wrong plug can reducing optimum performance, reduce fuel economy or cause damage to your engine. Spark plugs are easy to change with common spark plug sockets. The NGK pure alumina silicate ceramic insulator provides superior strength, reduces breakage and better heat transfer. The Ribbed Suppressor Seal extends resistance and prevents spark “flash over” and misfire.