NGK Iridium IX Spark Plug Box of 4 (BPR6EIX-11)

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 1998-2000 Chevrolet Metro Base 1987-1988 Chevrolet Sprint Base 1987-1988 Chevrolet Sprint Metro 1987-1988 Chevrolet Sprint Turbo 1987 Chrysler Conquest Base 1988 Chrysler Conquest TSi 1978-1979 Dodge Challenger Base 1978-1979 Dodge Challenger Premium 1979-1983,1988-1990 Dodge Colt Base 1979,1981-1983 Dodge Colt Custom 1982-1983 Dodge Colt Deluxe 1984-1990 Dod