Spark Plugs & Wires
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Sumax - 20038 - Spark Plug Wire - 8 mm - Black - FL
Sumax
$66.95Sumax - 20038 - Spark Plug Wire - 8 mm - Black - FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicone,...$66.95 -
Sumax - 20636 - Spark Plug Wire - 8 mm - Blue - '09-'16 FL
Sumax
$36.95Sumax - 20636 - Spark Plug Wire - 8 mm - Blue - '09-'16 FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature...$36.95 -
Sumax - 20236 - Spark Plug Wire - 8 mm - Red - '09-'16 FL
Sumax
$36.95Sumax - 20236 - Spark Plug Wire - 8 mm - Red - '09-'16 FLFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature...$36.95 -
Sumax - 20235 - Spark Plug Wire - 8 mm - Red - '08-'11 FXCW
Sumax
$36.95Sumax - 20235 - Spark Plug Wire - 8 mm - Red - '08-'11 FXCWFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature...$36.95 -
Sumax - 20035 - Spark Plug Wire - 8 mm - Black - '08-'11 FXCW
Sumax
$36.95Sumax - 20035 - Spark Plug Wire - 8 mm - Black - '08-'11 FXCWFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature...$36.95 -
Sumax - 40234 - Spark Plug Wire - 10.4 mm - Black - '99-'08 Red
Sumax
$54.95Sumax - 40234 - Spark Plug Wire - 10.4 mm - Black - '99-'08 RedFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from...$54.95 -
Sumax - 20634 - Spark Plug Wire - 8 mm - Blue
Sumax
$36.95Sumax - 20634 - Spark Plug Wire - 8 mm - BlueFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicone, which...$36.95 -
Sumax - 20234 - Spark Plug Wire - 8 mm - Red
Sumax
$36.95Sumax - 20234 - Spark Plug Wire - 8 mm - RedFeaturesDesigner plug wire sets come in distinctive, highly visible colorsPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicone, which...$36.95 -
Ngk Spark Plugs - 3981 - Iridium IX Spark Plug - BR9EIX
NGK Spark Plugs
$11.95Ngk Spark Plugs - 3981 - Iridium IX Spark Plug - BR9EIXFeaturesPlatformThe ultimate in the evolution of spark plug technology and performance from the industry leaderThe iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4 the...$11.95 -
Ngk Spark Plugs - 4339 - Spark Plug - DCPR8E
NGK Spark Plugs
$8.95Ngk Spark Plugs - 4339 - Spark Plug - DCPR8EFeaturesPlatformTrivalent metal plating provides superior anti-corrosion and anti-seizing propertiesPure alumina silicate ceramic insulator, provides superior strength and better heat transferTriple seals...$8.95 -
Ngk Spark Plugs - 6263 - Spark Plug - CR9E
NGK Spark Plugs
$13.95Ngk Spark Plugs - 6263 - Spark Plug - CR9EFeaturesPlatformTrivalent metal plating provides superior anti-corrosion and anti-seizing propertiesPure alumina silicate ceramic insulator, provides superior strength and better heat transferTriple seals prevent...$13.95 -
Ngk Spark Plugs - 2115 - Iridium IX Spark Plug - BPR5EIX-11
NGK Spark Plugs
$11.95Ngk Spark Plugs - 2115 - Iridium IX Spark Plug - BPR5EIX-11FeaturesPlatformThe ultimate in the evolution of spark plug technology and performance from the industry leaderThe iridium electrode is 25% smaller than a platinum electrode, and it's just 1/4...$11.95 -
Ngk Spark Plugs - 4224 - Spark Plug - BPR4ES-11
NGK Spark Plugs
$4.95Ngk Spark Plugs - 4224 - Spark Plug - BPR4ES-11FeaturesPlatformTrivalent metal plating provides superior anti-corrosion and anti-seizing propertiesPure alumina silicate ceramic insulator, provides superior strength and better heat transferTriple seals...$4.95 -
Blue Streak - MC-SPW13 - Spark Plug Wire Set - 8mm - Softail
Blue Streak
$34.95Blue Streak - MC-SPW13 - Spark Plug Wire Set - 8mm - SoftailFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A...$34.95 -
Blue Streak - MC-SPW10 - Spark Plug Wire Set - 8mm - FL
Blue Streak
$27.95Blue Streak - MC-SPW10 - Spark Plug Wire Set - 8mm - FLFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A.Replacement...$27.95 -
Blue Streak - MC-SPW12 - Spark Plug Wire Set - 8mm - XL 1200S
Blue Streak
$50.95Blue Streak - MC-SPW12 - Spark Plug Wire Set - 8mm - XL 1200SFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A...$50.95 -
Blue Streak - MC-SPW9 - Spark Plug Wire Set - 8mm - FL
Blue Streak
$27.95Blue Streak - MC-SPW9 - Spark Plug Wire Set - 8mm - FLFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A.Replacement Part...$27.95 -
Blue Streak - MC-SPW8 - Spark Plug Wire Set - 8mm - XL
Blue Streak
$27.95Blue Streak - MC-SPW8 - Spark Plug Wire Set - 8mm - XLFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A.Replacement Part...$27.95 -
Blue Streak - MC-SPW11 - Spark Plug Wire Set - 8mm - FXD
Blue Streak
$32.95Blue Streak - MC-SPW11 - Spark Plug Wire Set - 8mm - FXDFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A.Replacement...$32.95 -
Blue Streak - MC-SPW6 - Spark Plug Wire Set - 8mm - FL
Blue Streak
$27.95Blue Streak - MC-SPW6 - Spark Plug Wire Set - 8mm - FLFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A.Replacement Part...$27.95 -
Blue Streak - MC-SPW7 - Spark Plug Wire Set - 8mm - FXR
Blue Streak
$27.95Blue Streak - MC-SPW7 - Spark Plug Wire Set - 8mm - FXRFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A.Replacement...$27.95 -
Blue Streak - MC-SPW5 - Spark Plug Wire Set - 8mm - Softail
Blue Streak
$27.95Blue Streak - MC-SPW5 - Spark Plug Wire Set - 8mm - SoftailFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A.Replacement...$27.95 -
Champion - CCH-404 - Spark Plug - RN12YC
Champion
$3.95Champion - CCH-404 - Spark Plug - RN12YCFeaturesCopper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plugPatented SAC-9 semi-conductor resistor for...$3.95 -
Champion - 538 - Spark Plug - RH8C
Champion
$4.95Champion - 538 - Spark Plug - RH8CFeaturesCopper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plugPatented SAC-9 semi-conductor resistor for maximum...$4.95 -
Blue Streak - MC-SPW16 - Spark Plug Wire Set - 8mm - '07+ XL
Blue Streak
$26.95Blue Streak - MC-SPW16 - Spark Plug Wire Set - 8mm - '07+ XLFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A...$26.95 -
Blue Streak - MC-SPW15 - Spark Plug Wire Set - 8mm - '04-'06 XL
Blue Streak
$26.95Blue Streak - MC-SPW15 - Spark Plug Wire Set - 8mm - '04-'06 XLFeaturesRated at SAE CLASS E J2031Triple silicone construction through jacket, insulation and core for higher heat-resistanceContinuous operating temperature of 450 FMade in the U.S.A...$26.95 -
Autolite - 4316 - Spark Plug - #4316
Autolite
$4.95Autolite - 4316 - Spark Plug - #4316FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsProduct NameSpark PlugGround Electrode ShapeStandardCenter Electrode TypeNecked...$4.95 -
Autolite - 4275 - Spark Plug - #4275
Autolite
$4.95Autolite - 4275 - Spark Plug - #4275FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsGround Electrode ConfigurationSingleStyleCopperTypeResistorCenter Electrode...$4.95 -
Autolite - 4123 - Spark Plug - #4123
Autolite
$5.95Autolite - 4123 - Spark Plug - #4123FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsGround Electrode ShapeStandardProduct NameSpark PlugRiding StyleStreetCenter Electrode...$5.95 -
Autolite - 4164 - Spark Plug - #4164
Autolite
$5.95Autolite - 4164 - Spark Plug - #4164FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsCenter Electrode TypeNecked DownProduct NameSpark PlugCenter Electrode...$5.95 -
Autolite - 4265 - Spark Plug - #4265
Autolite
$5.95Autolite - 4265 - Spark Plug - #4265FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsCenter Electrode TypeNecked DownProduct NameSpark PlugModelBPR5ESTypeResistorGround...$5.95 -
Autolite - 4345 - Spark Plug - #4345
Autolite
$5.95Autolite - 4345 - Spark Plug - #4345FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsHeat Range6StyleCopperElectrode Tip MaterialNickel AlloyModelZGR5CTypeResistorProduct...$5.95 -
Accel - 171110K - Spark Plug Wire - '07-'19 XL - Black
Accel
$35.95Accel - 171110K - Spark Plug Wire - '07-'19 XL - BlackFeaturesDeliver up to five times more energy to the spark plugFully compatible with fuel-injection systemsWill work great with carbureted engines as wellCan withstand temperatures over 500 FSilicone...$35.95 -
Autolite - XS4302 - Spark Plug - XS4302
Autolite
$12.95Autolite - XS4302 - Spark Plug - XS4302FeaturesMore 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 plugUp to...$12.95 -
Autolite - XS4162 - Spark Plug - XS4162
Autolite
$12.95Autolite - XS4162 - Spark Plug - XS4162FeaturesMore 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 plugUp to...$12.95 -
Autolite - 4162 - Spark Plug - #4162
Autolite
$5.95Autolite - 4162 - Spark Plug - #4162FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsGround Electrode ConfigurationSingleStyleCopperTerminal ConfigurationSolid TerminalRiding...$5.95 -
Autolite - 4302 - Spark Plug - #4302
Autolite
$5.95Autolite - 4302 - Spark Plug - #4302FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsCenter Electrode ProjectionNon-ProjectedStyleCopperUnitsEachModelCR9EGround Electrode...$5.95 -
Powermadd - E3.39 - E3 Spark Plug - 39
PowerMadd
$11.00Powermadd - E3.39 - E3 Spark Plug - 39FeaturesUnique electrode shape maximizes the power created by the spark plug - Diamond Fire technologyElectrode is a combination of performance and technology that results in an improved flame kernel shapeThis flame...$11.00 -
Powermadd - E3.34 - E3 Spark Plug - 34
PowerMadd
$10.00Powermadd - E3.34 - E3 Spark Plug - 34FeaturesUnique electrode shape maximizes the power created by the spark plug - Diamond Fire technologyElectrode is a combination of performance and technology that results in an improved flame kernel shapeThis flame...$10.00 -
Magnum Shielding - 3023B - Spark Plug Wires - Candy Apple Blue - '65-'99 FX/FL
Magnum Shielding
$77.95Magnum Shielding - 3023B - Spark Plug Wires - Candy Apple Blue - '65-'99 FX/FLFeaturesBraid perfectly matches all other Magnum cables and brake linesHigh-voltage, high temperature 8 mm silicone ignition wire with an OE style high-performance suppression...$77.95
Harley Spark Plugs & Wires
Upgrade your ignition system with our premium selection of Harley spark plugs and Harley spark plug wires, engineered to meet or exceed OEM standards for Harley Davidson motorcycles. Choose from high-performance iridium and platinum Harley Davidson spark plugs designed for increased durability, cleaner combustion, and improved fuel efficiency.
Our Harley Davidson spark plug wires feature low-resistance construction for maximum conductivity and reliable spark delivery. Built with high-temp silicone insulation, these Harley spark plug wires provide excellent heat protection and superior EMI/RFI suppression to shield your bike’s electronics from interference. Plus, with custom lengths and color-matched options available, you can match performance with style.
Whether you're maintaining a stock setup or fine-tuning a custom build, our Harley spark plugs and Harley spark plug wires are tested to perform under tough riding conditions. Browse our full range of Harley Davidson Electrical & Wiring parts and give your motorcycle the spark it needs to perform its best. Shop now and ride with confidence!