Description & Size Guide
Repl. for OEM 6R7. 14mm threaded. 19mm (3/4") long reach. Used with a 21mm spark plug socket. 14mm threaded. Removable terminal. The NGK Iridium IX spark plugs offer improved throttle response; superior anti-fouling and high-ignitability; which makes Iridium IXr ideal for the performance enthusiast; even better than platinum. Iridium''s extremely high melting point is perfectly suited to today''s high-temperature engines; delivering outstanding acceleration; fuel efficiency and double to triple the lifespan of a copper core plug. - Fine iridium tip ensures high durability and a consistently stable spark. - Trivalent metal plating for superior anti-corrosion and anti-seizing properties. - Outstanding acceleration; high fuel efficiency and durability.
1 step cooler: 84-99 Evo Big Twin; 75-E82 FL Shovel; 75-E78 FX Shovel (NU) Standard: 83-85 XR1000 (NU)
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