COPPER CORE2 Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof) Multi-rib insulator reduces danger of "flash-over" One-piece terminal post adds strength Resistor reduces radio frequency interference (RFI) and electrode erosion Cold-formed steel shell precision rolled threads Full copper core electrode provides better performance in all conditions Verify all cross reference listings before purchase, free Autolite catalog available, WPS# 4-4444 EXTREME SPORT IRIDIUM Engineered to meet or exceed OE designs and withstand the extreme operating temperatures experienced during a powersports engine’s combustion Iridium-enhanced 0.6mm finewire design for improved ignitability, faster fuel combustion and a more focused ignition versus standard plugs Up to 26 percent quicker starts compared to that of standard plugs and as much as 21 percent less hydrocarbon emissions than standard plugs, which promotes better fuel efficiency and horsepower Verify all cross reference listings before purchase, free Autolite catalog available, WPS# 4-4444 All Autolite Spark Plugs sold in BOX quantities of 4, priced each Order Autolite/Fram powersports application catalog free of charge - WPS# 4-4444 ATV

Autolite Xtreme Sport Iridium Spark Plug XS4093 4-Pack XS4093DP