Manufactured by Autolite (XS4164)

  • More focused ignition to prevent fouling than leading standard plug
  • .6mm finewire design with Sport V-trim ground electrode engineered to offer improved ignitability and durability over a standard plug
  • Up to 26% quicker starts than leading standard plug
  • More horsepower and better fuel efficiency than standard plug
  • Meets or exceeds OEM design
PRODUCT NAME SPARK PLUG
TYPE RESISTOR TYPE
STYLE XS4164
MODEL XTREME SPORT
TERMINAL CONFIGURATION SOLID TERMINAL
CENTER ELECTRODE PROJECTION PROJECTED
ELECTRODE TIP MATERIAL IRIDIUM
CENTER ELECTRODE TYPE FINE WIRE
GROUND ELECTRODE SHAPE STANDARD
THREAD REACH 3/4"
HEX SIZE 11/16"
HEAT RANGE 6
UNITS EACH

Spark Plug Autolite Iridium XS4164 (Ironhead 83-85 XR1000, 99-17 Twin Cam)

$8.95Price
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