IRIDIUM SPARK PLUGS The ultimate in spark plug technology and performance Iridium electrode is smaller than a standard electrode; requires less voltage Hotter spark and extended spark plug service life compared to conventional plugs Has the distinctive black ceramic with red lettering and gold-colored corrosion-protected coating on the metal shell Exceed OEM specifications for plug service life Sold in pairs in convenient blister packs To Suit: 17-UP M-Eight, 15-19 XG500/750/750A
