Discover enhanced engine performance with the Boating Accessories New NGK Laser Iridium Spark Plug ILFR6GE, a set of 4 premium spark plugs. These Laser Iridium series plugs, with model number 889246Q39, are designed to meet Mercury Marine original equipment manufacturer specifications, ensuring optimum protection and performance for your watercraft. Featuring a fine wire platinum tipped center electrode, these spark plugs offer higher durability and a longer service life. The NGK Trivalent metal plating provides superior anti-corrosion and anti-seizing properties, specifically designed for marine environments. Always refer to your engine owner's manual for the correct spark plug and use only the plug as recommended by your engine's original equipment manufacturer. This set includes 4 pre-gapped spark plugs, with a copper core and ribbed suppressor seal for added durability and performance. Choose from quantity options ranging from 1 to 6 and experience the difference in power and reliability with these NGK ILFR6GE Laser Iridium Spark Plugs.