NGK, spark plug Iridium IX BPR5EIX-11

Repl. for OEM 5R6A. 14mm threaded. 19mm (3/4") reach. Used with a 21mm spark plug socket. Removable terminal. The NGK Iridium IX spark plugs offer improved throttle response, superior anti-fouling and high-ignitability, which makes Iridium IX® 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. Fits: > 84-99 Evo Big Twin models; 75-E82 FL Shovel; 75-E78 FX Shovel (NU); Indian: 99-01 Chief 1450cc; 2001 Scout 1450cc; 2001 Spirit 1450cc; 2002 Chief 1650cc