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