XR5IX NGK Iridium IX Spark Plug

NGK Iridium IX spark plugs are designed specifically for the performance enthusiast. Iridium IX spark plugs offer extreme ignitibility, improved throttle response and superior anti-fouling. The fine-wire iridium center electrode ensures high durability and a consistently stable spark. A special taper-cut ground electrode shape allows more area for faster flame expansion. Iridium alloy has an extremely high melting point, perfect for today's high-performance engines. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties.

BUICK 1967-50; CAD 1966-53; CHEV 1970-62; CHRYS 1977-59; DODGE 1979-60; GMC 1968; INTL 1980-61; OLDS 1969-57; PLY 1978-60; PONT 1969-67, I/O - 1990-60 HARDIN, O/B - 1991-74 CLINTON, 1987-69 ESKA, 1984-81 EXPLORER, SEARS, 1981-70 WIZARD