NGK Spark Plug IZFR6J 843220Q

The IZFR6J 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 reduce 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. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine original equipment replacement engine parts, oils, and accessories, but also works to serve all original equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind. - NGK Laser Iridium Spark Plugs deliver superior ignitability, longer service life with 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 - Replace all the engine plugs at the same time