Spark Plugs & Wires
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Out of stock
V-Twin - 32-1399 - Replica 18mm Spark Plug Set with Guide
Volt Tech
$82.31V-Twin - 32-1399 - Replica 18mm Spark Plug Set with GuideDescriptionThese spark plugs are for the antique motorcycle enthusiast who enjoy riding. Spark plugs are air cooled with a heat range #3. Comes with the Knucklehead Service and Parts manual...$82.31 -
Out of stock
V-Twin - 32-1325 - M8 V-Twin Performance Spark Plugs
Volt Tech
$27.15V-Twin - 32-1325 - M8 V-Twin Performance Spark PlugsDescriptionV-Twin perfomance spark plugs for M8 models features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure...$27.15 -
Out of stock
V-Twin - 32-1246 - Panhead Spark Plug Set and Book Kit
Volt Tech
$26.11V-Twin - 32-1246 - Panhead Spark Plug Set and Book KitDescriptionReplaces 3-4 Harley plugs with 2 V-Twin Manufacturing plugs for 1948-1965 Panhead Harleys and includes a Panhead parts book. Fits:FL 1948-1974FX 1971-1974Additional Information UOM1 - KIT ...$26.11 -
Out of stock
V-Twin - 32-0975 - Champion 18mm Spark Plug Set
Volt Tech
$105.71V-Twin - 32-0975 - Champion 18mm Spark Plug SetDescriptionThe set features two D-16 Champion plugs and replica covers. Set is unassembled. Fits:UL 1937-1948WL 1936-1952EL 1936-1940FL 1941-1947Additional Information UOM1 - SET ManufacturerVolt Tech ...$105.71 -
Out of stock
V-Twin - 32-0160 - Champion Spark Plug Shop Pack Copper Plus
Champion
$68.23V-Twin - 32-0160 - Champion Spark Plug Shop Pack Copper PlusDescriptionSpark plug shop pack includes 24 copper plus type spark plugs. Spark plug gap measures .040. Fits:FXST 1984-1998FX 1975-1981FLT 1984-1998FXS 1975-1980FL 1975-1981FXD 1991-1994FXR...$68.23 -
Out of stock
Drag Specialties - 21040407 - Spark Plug Wires - '17-'23 Touring
Drag Specialties
$59.11Drag Specialties - 21040407 - Spark Plug Wires - '17-'23 TouringFeaturesConstructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistanceRated at SAE Class E J2031 with a continuous operating temperature of...$59.11 -
Out of stock
Drag Specialties - 09401315 - Spark Plug Cover - Wrinkle Black - Sportster
Drag Specialties
$54.01Drag Specialties - 09401315 - Spark Plug Cover - Wrinkle Black - SportsterFeaturesComes with mounting hardwareSold as a kit for two headsReplacement Part for OEM Number(s):4429604SpecsProduct NameCoverUnitsKitMaterialAluminumStyleFinnedRiding...$54.01 -
Out of stock
Drag Specialties - 09401318 - Spark Plug Cover - Chrome - Sportster
Drag Specialties
$64.21Drag Specialties - 09401318 - Spark Plug Cover - Chrome - SportsterFeaturesComes with mounting hardwareSold as a kit for two headsReplacement Part for OEM Number(s):4443204SpecsStyleSmoothMaterialAluminumRiding StyleStreetColor/FinishChromeProduct...$64.21 -
Out of stock
Drag Specialties - 09401317 - Spark Plug Cover - Chrome - Twin Cam
Drag Specialties
$71.35Drag Specialties - 09401317 - Spark Plug Cover - Chrome - Twin CamFeaturesComes with mounting hardwareSold as a kit for two headsReplacement Part for OEM Number(s):4385800SpecsTypeSpark PlugUnitsKitColor/FinishChromeProduct...$71.35 -
Out of stock
Drag Specialties - 09401313 - Spark Plug Cover - Wrinkle Black - Twin Cam
Drag Specialties
$61.15Drag Specialties - 09401313 - Spark Plug Cover - Wrinkle Black - Twin CamFeaturesComes with mounting hardwareSold as a kit for two headsReplacement Part for OEM Number(s):4385900SpecsColor/FinishBlackUnitsKitStyleFinnedMaterialAluminumRiding...$61.15 -
Out of stock
Drag Specialties - 09401316 - Spark Plug Cover - Silver - Sportster
Drag Specialties
$55.03Drag Specialties - 09401316 - Spark Plug Cover - Silver - SportsterFeaturesComes with mounting hardwareSold as a kit for two headsSpecsColor/FinishSilverProduct NameCoverMaterialAluminumRiding StyleStreetStyleFinnedTypeSpark PlugUnitsKitFitment2004-2006...$55.03 -
Out of stock
Drag Specialties - 09401314 - Spark Plug Cover - Silver - Twin Cam
Drag Specialties
$58.09Drag Specialties - 09401314 - Spark Plug Cover - Silver - Twin CamFeaturesComes with mounting hardwareSold as a kit for two headsReplacement Part for OEM Number(s):4385700SpecsProduct NameCoverStyleFinnedMaterialAluminumRiding StyleStreetTypeSpark...$58.09 -
Out of stock
Sumax - 76083 - Spark Plug Wire - 135° - Black - Universal
Sumax
$36.95Sumax - 76083 - Spark Plug Wire - 135 - Black - UniversalFeaturesDesigner plug wire sets come in distinctive, highly visible colorsHave the plug boots and terminals already installedBoots and wires are made from extra-high-temperature silicone, which...$36.95 -
Out of stock
Sumax - 76085 - Spark Plug Wire - 180° - Black - Universal
Sumax
$35.95Sumax - 76085 - Spark Plug Wire - 180 - Black - UniversalFeaturesDesigner plug wire sets come in distinctive, highly visible colorsHave the plug boots and terminals already installedBoots and wires are made from extra-high-temperature silicone, which...$35.95 -
Out of stock
Lang Tools - 712A - Spark Plug Gap Tool
Lang Tools
$3.95Lang Tools - 712A - Spark Plug Gap ToolFeaturesSpark plug tool measures spark plug gap in graduated ramp sequenceSizes: SAE .020" - .100"; Metric .60 mm - 2.40 mmUniversal spark plug gaugeMade in the U.S.A.SpecsRiding StyleStreetStyleRampTypeSpark...$3.95 -
Out of stock
Lang Tools - 4450A - E-Z™ Grip Spark Plug Tool
Lang Tools
$8.95Lang Tools - 4450A - E-Z™ Grip Spark Plug ToolFeaturesFull-range coverage for all spark plug gapping requirements from .020" to .080" (.060 mm to 2.00 mm)Includes a recess specifically designed to adjust electrodesPrecise and easy to useApplications...$8.95 -
Out of stock
K&S Technologies - 10-1302H - Spark Plug Cover - No Resistor - 10/12/14 mm
K&S Technologies
$6.95K&S Technologies - 10-1302H - Spark Plug Cover - No Resistor - 10/12/14 mmFeaturesReplacement spark plug capAdaptable thread size5 OhmWaterproof capSpecsCompatible Terminal ConfigurationTerminal StudConnector Angle90°Riding StyleUTVProduct...$6.95 -
Out of stock
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 -
Out of stock
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 -
Out of stock
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 -
Out of stock
Sumax - 40631 - Spark Plug Wire - 10.4 mm - Blue - Harley Davidson
Sumax
$54.95Sumax - 40631 - Spark Plug Wire - 10.4 mm - Blue - 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 - 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 - 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 - 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 - 49233 - Spark Plug Wire - 10.4 mm - Red - '80-'98 FL
Sumax
$54.95Sumax - 49233 - Spark Plug Wire - 10.4 mm - Red - '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 extra-high-temperature...$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 - 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 - 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
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!