Spark Plugs & Wires
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Out of stock
Sumax - 77631 - Spark Plug Wire - 8 mm - Blue - FL/FX
Sumax
$36.95Sumax - 77631 - Spark Plug Wire - 8 mm - Blue - FL/FXFeaturesDesigner 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 -
Out of stock
Sumax - 40231 - Spark Plug Wire - 10.4 mm - Red - Harley Davidson
Sumax
$54.95Sumax - 40231 - Spark Plug Wire - 10.4 mm - Red - Harley DavidsonFeaturesDesigner 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 -
Out of stock
Sumax - 40031 - Spark Plug Wire - 10.4 mm - Black - Harley Davidson
Sumax
$54.95Sumax - 40031 - Spark Plug Wire - 10.4 mm - Black - Harley DavidsonFeaturesDesigner 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 -
Out of stock
Sumax - 77231 - Spark Plug Wire - 8 mm - Red - FL/FX
Sumax
$36.95Sumax - 77231 - Spark Plug Wire - 8 mm - Red - FL/FXFeaturesDesigner 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 -
Out of stock
Sumax - 77233 - Spark Plug Wire - 8 mm - Red - FLT/XL
Sumax
$36.95Sumax - 77233 - Spark Plug Wire - 8 mm - Red - FLT/XLFeaturesDesigner 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 -
Out of stock
Sumax - 77235 - Spark Plug Wire - 8 mm - Red - FXR
Sumax
$36.95Sumax - 77235 - Spark Plug Wire - 8 mm - Red - FXRFeaturesDesigner 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,...$36.95 -
Out of stock
Sumax - 77033 - Spark Plug Wire - 8 mm - Black - FLT/XL
Sumax
$36.95Sumax - 77033 - Spark Plug Wire - 8 mm - Black - FLT/XLFeaturesDesigner 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 -
Out of stock
Sumax - 77035 - Spark Plug Wire - 8 mm - Black - FXR
Sumax
$36.95Sumax - 77035 - Spark Plug Wire - 8 mm - Black - FXRFeaturesDesigner 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 -
Out of stock
Sumax - 77031 - Spark Plug Wire - 8 mm - Black - FL
Sumax
$36.95Sumax - 77031 - 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,...$36.95 -
Out of stock
Sumax - 49633 - Spark Plug Wire - 10.4 mm - Blue - XL/FL
Sumax
$54.95Sumax - 49633 - Spark Plug Wire - 10.4 mm - Blue - XL/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...$54.95 -
Out of stock
Sumax - 49035 - Spark Plug Wire - 10.4 mm - Black - '82-'94/'99-'00 FXR
Sumax
$54.95Sumax - 49035 - Spark Plug Wire - 10.4 mm - Black - '82-'94/'99-'00 FXRFeaturesDesigner 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 -
Out of stock
Sumax - 49231 - Spark Plug Wire - 10.4 mm - Red - '65-'99 FX/FL
Sumax
$54.95Sumax - 49231 - Spark Plug Wire - 10.4 mm - Red - '65-'99 FX/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...$54.95 -
Out of stock
Sumax - 49033 - Spark Plug Wire - 10.4 mm - Black - '80-'98 FL
Sumax
$54.95Sumax - 49033 - Spark Plug Wire - 10.4 mm - Black - '80-'98 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...$54.95 -
Out of stock
Sumax - 49031 - Spark Plug Wire - 10.4 mm - Black - '65-'99 FX/FL
Sumax
$54.95Sumax - 49031 - Spark Plug Wire - 10.4 mm - Black - '65-'99 FX/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...$54.95 -
Out of stock
Sumax - 49638 - Spark Plug Wires - 10.4 mm - Blue
Sumax
$89.95Sumax - 49638 - Spark Plug Wires - 10.4 mm - BlueFeaturesPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicon, which gives protection up to 600 FSpiro-Pro core provides up to 10...$89.95 -
Out of stock
Sumax - 49038 - Spark Plug Wires - 10.4 mm - Black
Sumax
$89.95Sumax - 49038 - Spark Plug Wires - 10.4 mm - BlackFeaturesPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicon, which gives protection up to 600 FSpiro-Pro core provides up to 10...$89.95 -
Out of stock
Sumax - 49238 - Spark Plug Wires - 10.4 mm - Red
Sumax
$89.95Sumax - 49238 - Spark Plug Wires - 10.4 mm - RedFeaturesPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicon, which gives protection up to 600 FSpiro-Pro core provides up to 10...$89.95 -
Out of stock
Sumax - 30638 - Spark Plug Wire - 8 mm - Blue
Sumax
$66.95Sumax - 30638 - Spark Plug Wire - 8 mm - BlueFeaturesPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicon, which gives protection up to 600 FSpiro-Pro core provides up to 10 times...$66.95 -
Out of stock
Sumax - 30038 - Spark Plug Wire - 8 mm - Black
Sumax
$66.95Sumax - 30038 - Spark Plug Wire - 8 mm - BlackFeaturesPrecut and have the plug/coil boots and terminals already installedBoots and wires are made from extra-high-temperature silicon, which gives protection up to 600 FSpiro-Pro core provides up to 10...$66.95 -
Out of stock
Sumax - 40638 - Spark Plug Wire - 10.4 mm - Blue
Sumax
$89.95Sumax - 40638 - Spark Plug Wire - 10.4 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,...$89.95 -
Out of stock
Sumax - 40238 - Spark Plug Wire - 10.4 mm - Red
Sumax
$89.95Sumax - 40238 - Spark Plug Wire - 10.4 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,...$89.95 -
Out of stock
Sumax - 20638 - Spark Plug Wire - 8 mm - Blue - FL
Sumax
$66.95Sumax - 20638 - Spark Plug Wire - 8 mm - Blue - 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 -
Out of stock
Sumax - 20238 - Spark Plug Wire - 8 mm - Red - FL
Sumax
$66.95Sumax - 20238 - Spark Plug Wire - 8 mm - Red - 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 -
Out of stock
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 -
Out of stock
Sumax - 40636 - Spark Plug Wire - 10.4 mm - Blue - '09-'16 FL
Sumax
$54.95Sumax - 40636 - Spark Plug Wire - 10.4 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...$54.95 -
Out of stock
Sumax - XG202 - Spark Plug Wire - 8 mm - Red - XG
Sumax
$29.95Sumax - XG202 - Spark Plug Wire - 8 mm - Red - XGFeaturesDesigner 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,...$29.95 -
Out of stock
Sumax - 40236 - Spark Plug Wire - 10.4 mm - Red - '09-'16 FL
Sumax
$54.95Sumax - 40236 - Spark Plug Wire - 10.4 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...$54.95 -
Out of stock
Sumax - XG200 - Spark Plug Wire - 8 mm - Black - XG
Sumax
$29.95Sumax - XG200 - Spark Plug Wire - 8 mm - Black - XGFeaturesDesigner 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,...$29.95 -
Out of stock
Sumax - 40036 - Spark Plug Wire - 10.4 mm - Black - '09-'16 FL
Sumax
$54.95Sumax - 40036 - Spark Plug Wire - 10.4 mm - Black - '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...$54.95 -
Out of stock
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 -
Out of stock
Sumax - 20036 - Spark Plug Wire - 8 mm - Black - '09-'16 FL
Sumax
$36.95Sumax - 20036 - Spark Plug Wire - 8 mm - Black - '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 -
Out of stock
Sumax - 40034 - Spark Plug Wire - 10.4 mm - Black - '99-'08 FL
Sumax
$54.95Sumax - 40034 - Spark Plug Wire - 10.4 mm - Black - '99-'08 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...$54.95 -
Out of stock
Sumax - 40634 - Spark Plug Wire - 10.4 mm - Black - '99-'08 Blue
Sumax
$54.95Sumax - 40634 - Spark Plug Wire - 10.4 mm - Black - '99-'08 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...$54.95 -
Out of stock
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 -
Out of stock
Sumax - 20034 - Spark Plug Wire - 8 mm - Black
Sumax
$36.95Sumax - 20034 - Spark Plug Wire - 8 mm - BlackFeaturesDesigner 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,...$36.95 -
Out of stock
Ngk Spark Plugs - 7634 - Spark Plug - BPR5ES-11
NGK Spark Plugs
$5.95Ngk Spark Plugs - 7634 - Spark Plug - BPR5ES-11FeaturesPlatformTrivalent metal plating provides superior anti-corrosion and anti-seizing propertiesPure alumina silicate ceramic insulator, provides superior strength and better heat transferTriple seals...$5.95 -
Out of stock
Blue Streak - MC-SPW13 - Spark Plug Wire Set - 8mm - Softail
Blue Streak
$36.95Blue 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...$36.95 -
Out of stock
Autolite - 4316 - Spark Plug - #4316
Autolite
$6.27Autolite - 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...$6.27 -
Out of stock
Autolite - 4123 - Spark Plug - #4123
Autolite
$7.70Autolite - 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...$7.70 -
Out of stock
Autolite - 4265 - Spark Plug - #4265
Autolite
$7.70Autolite - 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...$7.70
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!