NGK Iridium Premium Spark Plug Box of 4 (BR9EIX)

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.This Part Fits: Year Make Model Submodel 2002-2005 Aprilia RS 50 Base 2004-2005 Aprilia Tuono 50 Base 1986-1988 Arctic Cat Cheetah 500 F/C Base 1988-1991 Arctic Cat Cheetah Touring Base 1985-1990 Arctic Cat Cougar Base 1989-1990 Arctic Cat Cougar Mountain Cat Base 1985 Arctic Cat Cougar SE Base 1974 Arctic Cat El Tigre 295 Base 1977,1987-1988 Arctic Cat El Tigre 5000 Base 1981 Arctic Cat El Tigre 5000 F