Spark Plugs & Wires
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Sumax - 20231 - Spark Plug Wire - 8 mm - Red - FXST
Sumax
$36.95Sumax - 20231 - Spark Plug Wire - 8 mm - Red - FXSTFeaturesDesigner 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 -
Sumax - 20031 - Spark Plug Wire - 8 mm - Black - FXST
Sumax
$36.95Sumax - 20031 - Spark Plug Wire - 8 mm - Black - FXSTFeaturesDesigner 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 - 77633 - Spark Plug Wire - 8 mm - Blue - FLT/XL
Sumax
$36.95Sumax - 77633 - Spark Plug Wire - 8 mm - Blue - 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 -
Sumax - 77635 - Spark Plug Wire - 8 mm - Blue - FXR
Sumax
$36.95Sumax - 77635 - Spark Plug Wire - 8 mm - Blue - 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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
Sumax - 49631 - Spark Plug Wire - 10.4 mm - Blue - '65-'99 FX/FL
Sumax
$54.95Sumax - 49631 - Spark Plug Wire - 10.4 mm - Blue - '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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
Sumax - 40038 - Spark Plug Wire - 10.4 mm - Black
Sumax
$89.95Sumax - 40038 - Spark Plug Wire - 10.4 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,...$89.95 -
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 -
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 -
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 - 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 -
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 -
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 -
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 -
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 -
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 - 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 -
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 - 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 -
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 -
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 -
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 -
Ngk Spark Plugs - 3981 - Iridium IX Spark Plug - BR9EIX
NGK Spark Plugs
$14.95Ngk 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...$14.95
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!