Description & Size Guide
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. Iridium's extremely high melting point is perfectly suited to today's high-temperature engines; delivering outstanding acceleration; fuel efficiency and durability. - 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
BMW: 1928-1929 R 52 500cc; 1937 R 6 600cc; 1929-1935 R 16 736cc; 1929-1934 R 11 745cc; 1935-1942 R 12 2 745cc; 1938-1941 R 71 750cc. Ducati: 450 Desmo; Sebring 450cc; 70-76 450 Scrambler 450cc; 79-83 500 Sport Desmo 500cc; 860 Desmo SS 860cc; 1975 860 GT 860cc; 1975 860 GTS 860cc; 1975 860 S 860cc; 900 Darmah 900cc.
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