Autolite 4164 Spark Plug. Fits Twin Cam 1999-2017, Sportster 1986-2021, Victory & S&S 124ci.

Product Details









Copper Core Spark PlugSold EachTraditional nickel electrodes. Copper core improves resistance to fouling. Power tip extends further into the combustion chamber to aid in self-cleaning, reducing fouling at low rpms and pre-ignition at high speeds.* Replaces OEM # 31600105* Replaces OEM # 31600106* Replaces OEM # 32317-86* Replaces OEM # 32362-04A
MFR PART No: 4164

ROLLIES PART No: AL-4164