Autolite Xtreme Sport Iridium XS65 Spark Plug. Fits Big Twin 1975-1999 & S&S Engines with 16mm Spark Plug Thread. - Autolite Spark Plugs Coils & Stators (1750-5600 rpm)

(1750-5600 rpm)

drilled for optimum performance and heat dispersion

Cable Grip Fitment:

and heat resistance

* does NOT fit FLFB Fatboy models

Autolite Xtreme Sport Iridium XS65 Spark Plug. Fits Big Twin 1975-1999 & S&S Engines with 16mm Spark Plug Thread. - Autolite Spark Plugs Coils & Stators (1750-5600 rpm)Iridium Powersports Spark Plug Sold Each Autolite Number: XS65 The Xtreme Sport Spark Plug features a platinum finewire tip that helps with easy starting, reduces fouling of the spark plug, and ensures longer performance. They also provide 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. * Replaces OEM #