Features

  • Plugs have a unique look with their black ceramic body and bold red logo/script
  • Insulator is made of 95% pure alumina; features strong resistance to heat shock and superior insulation
  • Multi-rib design of insulator eliminates flashover
  • Nickel-plated housing prevents oxidation and corrosion
  • Multilayer gaskets and heat-crimping process ensure a leak-free, gas-tight fit
  • Copper core electrode prevents oxidation and corrosion and has good electrical and heat conductivity for long spark plug service life

Specs

Product Name Spark Plug
Type Non-Resistor
Style Copper
Terminal Configuration Threaded Stud
Center Electrode Projection Projected
Electrode Tip Material Nickel Alloy
Center Electrode Type Standard
Ground Electrode Configuration Single
Ground Electrode Shape Standard
Heat Range 6
Units Pair
Riding Style Street

Fitments
Position Notes
1983-1985 Harley-Davidson XLX 1000 - -
1983-1984 Harley-Davidson XR1000 - -
1979-1985 Harley-Davidson XLH1000 - -
1979-1985 Harley-Davidson XLS Roadster - -
1979 Harley-Davidson XLCH - -