E3 Spark Plugs E3.18 Premium Lawn and Garden Spark Plug with DiamondFIRE Technology, 14mm, 0.750-inch Reach, Gasket Seat, Pack of 1

OPTIMIZED PERFORMANCE: Designed for 2- and 4-cycle engines, the E3.18 spark plug boosts power, improves fuel economy, and lowers hydrocarbon emissions in snowmobiles and personal watercraft. DIAMONDFIRE TECHNOLOGY: Patented ground electrode creates an edge-to-edge spark path for enhanced combustion, delivering up to 4%-12% more power and up to 3%-13% better fuel economy depending on engine class. INCREASED DURABILITY: Advanced electrode design reduces carbon buildup and minimizes performance-degrading deposits, helping extend the lifespan of the spark plug and maintain optimal engine performance for a longer period. WHAT'S INCLUDED: Includes one E3.18 spark plug, featuring a 14mm thread diameter, a 0.750-inch thread reach, gasket seat, and a 13/16-inch hex size; comes with a limited lifetime warranty for added peace of mind. WIDE COMPATIBILITY: Replaces Champion N3C, N4C, N7YC, RN3C, RN4C, and RN7YC; NGK B5EB, B6EB, B6ES, B6EV, B7EB, BR6EB, BR6ES, BR7EB, BUR6ES-11, and BUR7EB-11