Spark Plugs & Wires
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Compu-Fire - 40200 - 8mm Spark Plug Wire Set - 41" Black
Compu-Fire
$50.16Compu-Fire - 40200 - 8mm Spark Plug Wire Set - 41" BlackFeatures8 mm spiral-wound silicone wires (black)Includes 41" wires, boots and terminalsMade in the U.S.A.Not for Twin Cam or '04-'20 XL applications.SpecsWire Length Imperial41''Product...$50.16 -
Compu-Fire - 40100 - Universal Spark Plug Wire Kit
Compu-Fire
$31.46Compu-Fire - 40100 - Universal Spark Plug Wire KitFeatures8mm spiral-wound silicone wires (black)Include 41" wires, boots and terminalsMade in the U.S.A.Not for Twin Cam or' 04-'15 XL applications.SpecsColor/FinishBlackRiding StyleStreetWire Length...$31.46 -
Blue Streak - MC-SPW4 - Spark Plug Wire Set - 8mm - 40" - Universal
Blue Streak
$28.95Blue Streak - MC-SPW4 - Spark Plug Wire Set - 8mm - 40" - UniversalFeaturesRated 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...$28.95 -
Champion - 805 - Spark Plug - N2C
Champion
$3.95Champion - 805 - Spark Plug - N2CFeaturesCopper 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...$3.95 -
Blue Streak - MC-SPW14 - Spark Plug Wire Set - 8mm - Universal
Blue Streak
$56.95Blue Streak - MC-SPW14 - Spark Plug Wire Set - 8mm - UniversalFeaturesRated 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...$56.95 -
Sumax - 20233 - Spark Plug Wire - 8 mm - Red - '99-'06 FLT
Sumax
$36.95Sumax - 20233 - Spark Plug Wire - 8 mm - Red - '99-'06 FLTFeaturesDesigner 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 - 20033 - Spark Plug Wire - 8 mm - Black - '99-'06 FLT
Sumax
$36.95Sumax - 20033 - Spark Plug Wire - 8 mm - Black - '99-'06 FLTFeaturesDesigner 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 - 20631 - Spark Plug Wire - 8 mm - Blue - FXST
Sumax
$36.95Sumax - 20631 - Spark Plug Wire - 8 mm - Blue - 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 - 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 - 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
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!