Spark Plugs & Wires
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V-Twin - 49-0862 - Parkerized 18mm Spark Plug Socket
V-Twin
$23.51V-Twin - 49-0862 - Parkerized 18mm Spark Plug SocketDescriptionParkerized 18mm Spark plug socket. Fits:W 1936-1947EL 1936-1947Additional Information UOM1 - EA ManufacturerV-Twin OriginImported 2025 Catalog Pages1287 Tech NoteSuggested to use with...$23.51 -
V-Twin - 49-0624 - Polished Aluminum Spark Plug Holder
V-Twin
$78.35V-Twin - 49-0624 - Polished Aluminum Spark Plug HolderDescriptionSpark plug holder is for original style battery tops with a center rib. Holder is cast and holds two 18mm spark plugs. Original "Atlas Products" item, faithfully re-created by V-Twin MFG...$78.35 -
V-Twin - 49-0477 - Globe 18mm Spark Plug Kit
V-Twin
$77.92V-Twin - 49-0477 - Globe 18mm Spark Plug KitDescriptionGlobe 18mm Spark plug kit includes two #3 Beck spark plugs with a set of brass cooling fins. Fits:UL 1937-1947EL 1936-1947FL 1941-1947Additional Information UOM1 - KIT ManufacturerV-Twin ...$77.92 -
V-Twin - 49-0448 - Globe 18mm Spark Plug Kit
V-Twin
$69.23V-Twin - 49-0448 - Globe 18mm Spark Plug KitDescriptionGlobe 18mm Spark plug kit includes black replica shield. Fits:W 1936-1947EL 1936-1947U 1936-1947FL 1941-1947Additional Information UOM1 - KIT ManufacturerV-Twin OriginImported 2025 Catalog...$69.23 -
V-Twin - 49-0176 - Alloy Spark Plug Cool Fin Set
V-Twin
$24.02V-Twin - 49-0176 - Alloy Spark Plug Cool Fin SetDescriptionAlloy cool fin for spark plug fits early type spark plugs with screw terminals to fit 14mm or 18mm. Fits:All ModelsAdditional Information UOM1 - SET ManufacturerV-Twin OriginImported 2025...$24.02 -
V-Twin - 42-1537 - Universal Black Spark Plug Holder with Clamps
V-Twin
$25.96V-Twin - 42-1537 - Universal Black Spark Plug Holder with ClampsDescriptionBlack spark plug holder clamps to the rear frame tube behind the oil tank on rigid Big Twins. Fits two 14mm spark plugs.Spark plug holder holds two spark plugs. Fits:All...$25.96 -
V-Twin - 42-0929 - Head and Spark Plug Cover Chrome
V-Twin
$48.67V-Twin - 42-0929 - Head and Spark Plug Cover ChromeDescriptionChrome head & spark plug covers, fits 1986-99 Evolution models. Covers are held in place by rubber inserts which are supplied in kit. Fits:FXR 1986-1999FLT 1986-1999FXD 1991-1999FLST...$48.67 -
V-Twin - 42-0318 - Universal Chrome Spark Plug Holder with Clamps
V-Twin
$32.55V-Twin - 42-0318 - Universal Chrome Spark Plug Holder with ClampsDescriptionChrome spark plug holder clamps to the rear frame tube behind the oil tank on rigid Big Twins. Fits two 14mm spark plugs.Spark plug holder holds two spark plugs. Fits:All...$32.55 -
V-Twin - 37-8953 - Spark Plug Cover
V-Twin
$9.86V-Twin - 37-8953 - Spark Plug CoverDescriptionSpark plug coversSold as a pair. ...$9.86 -
V-Twin - 37-8952 - Chrome Spark Plug Cover
V-Twin
$9.86V-Twin - 37-8952 - Chrome Spark Plug CoverDescriptionChrome die cast spark plug cover fits perfectly on a spark h ex for Big Twin 14mm pre 1999 models. Fits:FXST 1984-1999FXD 1991-1999FXR 1982-1994FLST 1986-1999FX 1971-1984FLT 1979-1999XL 1957-1985FL...$9.86 -
V-Twin - 32-9297 - Autolite Standard Spark Plug
Autolite
$41.71V-Twin - 32-9297 - Autolite Standard Spark PlugDescriptionAutolite spark plugs are standard type. Fits:FXST 1984-1998FX 1975-1981FLT 1984-1998FXS 1975-1980FL 1975-1981FXD 1991-1994FXR 1984-1994FLST 1986-1998Additional Information OEM No.32342-04 UOM10...$41.71 -
V-Twin - 32-9296 - Autolite Standard Spark Plug
Autolite
$34.49V-Twin - 32-9296 - Autolite Standard Spark PlugDescriptionAutolite spark plugs are standard type. Fits:FL 1948-1974FX 1971-1974Additional Information UOM10 - PK ManufacturerAutolite OriginUSA 2025 Catalog Pages676$34.49 -
V-Twin - 32-9295 - Autolite Spark Plug Standard
Autolite
$39.89V-Twin - 32-9295 - Autolite Spark Plug StandardDescriptionAutolite spark plugs, standard type. Fits:FLT 1999-2016FXST 1999-UPFLST 1999-UPXL 1985-UPFXD 1999-2017Additional Information OEM No.32362-04A UOM10 - PK ManufacturerAutolite OriginUSA 2025...$39.89 -
V-Twin - 32-9294 - Autolite Spark Plug Standard
Autolite
$36.25V-Twin - 32-9294 - Autolite Spark Plug StandardDescriptionAutolite spark plugs, standard type. Fits:XL 1980-1985Additional Information OEM No.4123 UOM10 - PK ManufacturerAutolite OriginUSA 2025 Catalog Pages950$36.25 -
V-Twin - 32-9293 - Autolite Spark Plug Standard
Autolite
$34.49V-Twin - 32-9293 - Autolite Spark Plug StandardDescriptionAutolite spark plugs, standard, hotter than stock type. Fits:XL 1957-1979Additional Information UOM10 - PK ManufacturerAutolite OriginUSA 2025 Catalog Pages950$34.49 -
V-Twin - 32-9231 - Autolite Platinum Spark Plug Set
Autolite
$21.94V-Twin - 32-9231 - Autolite Platinum Spark Plug SetDescriptionAutotlite platinum spark plug set.Sold as a set of two. Fits:FXST 1984-1998FX 1975-1981FLT 1984-1998FXS 1975-1980FL 1975-1981FXD 1991-1994FLST 1986-1998Additional Information OEM No.32342-04 ...$21.94 -
V-Twin - 32-8074 - Champion Copper Plus Spark Plugs
Champion
$22.09V-Twin - 32-8074 - Champion Copper Plus Spark PlugsDescriptionThese Champion copper plus spark plugs are one heat range hotter than stock replacement plugs. The Spark plug gap is .025".*NOTE: Short reach type. Fits:FL 1948-1974FX 1971-1974Additional...$22.09 -
V-Twin - 32-8073 - Champion Copper Plus Spark Plugs
Champion
$23.88V-Twin - 32-8073 - Champion Copper Plus Spark PlugsDescriptionThese Champion copper plus spark plugs are one heat range ho tter than stock replacement plugs. The spark plug gap is .03 0". Fits:XL 1957-1978XL 1957-1971Additional Information UOM4 - PK ...$23.88 -
V-Twin - 32-7603 - Champion Spark Plug
Champion
$23.53V-Twin - 32-7603 - Champion Spark PlugDescription14mm Champion spark plug comes as a pack of 4. Spark plug is constructed with a corrosion resistant zinc plated shell.*NOTE: Short reach type. Fits:FL 1948-1974FX 1971-1974Additional Information UOM4 - PK...$23.53 -
V-Twin - 32-7602 - Champion Copper Plus Spark Plugs
Champion
$22.73V-Twin - 32-7602 - Champion Copper Plus Spark PlugsDescriptionCopper plus style Champion spark plugs have a gap of .040". Fits:FL 1978-1979FX 1978-1979Additional Information UOM4 - PK ManufacturerChampion OriginImported 2025 Catalog Pages676$22.73 -
V-Twin - 32-7547 - Champion Spark Plugs Copper Plus
Champion
$23.53V-Twin - 32-7547 - Champion Spark Plugs Copper PlusDescriptionCopper plus style Champion spark plugs have a gap of .040". Fits:FLT 1999-2016XL 1999-UPFXST 1999-UPFLST 1999-UPFXD 1999-2017Additional Information OEM No.32362-04A UOM4 - PK ...$23.53 -
V-Twin - 32-7546 - Champion 18mm Spark Plugs
Champion
$43.56V-Twin - 32-7546 - Champion 18mm Spark PlugsDescriptionChampion 18mm spark plugs are D-16 type.Sold as a set of 6. Fits:UL 1937-1947EL 1936-1940WL 1929-1952FL 1941-1947Additional Information UOM6 - PK ManufacturerChampion OriginImported 2025 Catalog...$43.56 -
V-Twin - 32-7545 - Champion Spark Plugs Copper Plus
Champion
$23.88V-Twin - 32-7545 - Champion Spark Plugs Copper PlusDescriptionCopper plus style Champion spark plugs have a gap of .040". Fits:XL 1979-1985Additional Information UOM4 - PK ManufacturerChampion OriginUSA 2025 Catalog Pages950$23.88 -
V-Twin - 32-7544 - Champion Spark Plugs Copper Plus
Champion
$21.24V-Twin - 32-7544 - Champion Spark Plugs Copper PlusDescriptionCopper plus style Champion spark plugs have a gap of .030". Fits:XL 1972-1978Additional Information UOM4 - PK ManufacturerChampion OriginImported 2025 Catalog Pages950$21.24 -
V-Twin - 32-7543 - Champion Copper Plus Spark Plugs
Champion
$25.35V-Twin - 32-7543 - Champion Copper Plus Spark PlugsDescriptionCopper plus style Champion spark plugs have a gap of .025".*NOTE: Short reach type. Fits:FL 1948-1974FX 1971-1974Additional Information OEM No.32337-04 UOM4 - PK ManufacturerChampion ...$25.35 -
V-Twin - 32-7540 - Champion Copper Plus Spark Plugs
Champion
$23.53V-Twin - 32-7540 - Champion Copper Plus Spark PlugsDescriptionCopper plus style spark plugs have a .040 gap. Fits:FXST 1984-1998FX 1975-1981FLT 1984-1998FXS 1975-1980FL 1975-1981FXD 1991-1994FXR 1984-1994FLST 1986-1998Additional Information OEM No...$23.53 -
V-Twin - 32-6698 - V-Twin Performance Spark Plugs
Volt Tech
$23.86V-Twin - 32-6698 - V-Twin Performance Spark PlugsDescriptionV-Twin performance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure a leak free...$23.86 -
V-Twin - 32-6697 - V-Twin Performance Spark Plugs
Volt Tech
$23.86V-Twin - 32-6697 - V-Twin Performance Spark PlugsDescriptionV-Twin performance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure a leak free...$23.86 -
V-Twin - 32-6696 - V-Twin Performance Spark Plugs
Volt Tech
$23.86V-Twin - 32-6696 - V-Twin Performance Spark PlugsDescriptionV-Twin performance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure a leak free...$23.86 -
V-Twin - 32-6695 - V-Twin Performance Spark Plugs
Volt Tech
$23.86V-Twin - 32-6695 - V-Twin Performance Spark PlugsDescriptionV-Twin performance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure a leak free...$23.86 -
V-Twin - 32-6694 - V-Twin Performance Spark Plugs
Volt Tech
$23.86V-Twin - 32-6694 - V-Twin Performance Spark PlugsDescriptionV-Twin performance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure a leak free...$23.86 -
V-Twin - 32-6693 - V-Twin Performance Spark Plugs
Volt Tech
$23.86V-Twin - 32-6693 - V-Twin Performance Spark PlugsDescriptionV-Twin performance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure a leak free...$23.86 -
V-Twin - 32-6691 - V-Twin Performance Spark Plugs
Volt Tech
$23.88V-Twin - 32-6691 - V-Twin Performance Spark PlugsDescriptionV-Twin perfomance spark plugs features a copper core electrode for a longer service life, nickel plated housing, 95% pure alumina insulator and a heat crimping process to ensure a leak free seal...$23.88 -
V-Twin - 32-3440 - Champion Copper Plus Spark Plug Set
Champion
$84.52V-Twin - 32-3440 - Champion Copper Plus Spark Plug SetDescriptionChampion Copper Plus Spark Plug Set for use on 113 CI Evo style engines with 14mm thread size and .041" preset gap. Fits:Custom Application for Ultima 113" Evo Engines.Additional...$84.52 -
V-Twin - 32-1776 - Globe 18mm Spark Plug Kit
V-Twin
$132.25V-Twin - 32-1776 - Globe 18mm Spark Plug KitDescriptionGlobe 18mm spark plug and wire kit includes 18mm x 7/8" replica hex Doering #3 spark plugs, boot set, wrench and a parts book. Fits:EL 1936-1947U 1937-1948FL 1941-1947Additional Information UOM1 -...$132.25 -
V-Twin - 32-1353 - Spark Plug Terminal Brass Nut
Volt Tech
$11.86V-Twin - 32-1353 - Spark Plug Terminal Brass NutDescriptionSpark plug terminal brass nut. Fits:UL 1937-1948EL 1936-1940WL 1929-1952FL 1941-1947Additional Information OEM No.32370-26 UOM1 - SET ManufacturerVolt Tech OriginImported 2025 Catalog...$11.86 -
V-Twin - 32-1231 - Brass Spark Plug Cool Fin Set
Volt Tech
$41.69V-Twin - 32-1231 - Brass Spark Plug Cool Fin SetDescriptionBrass cool fin for spark plug is for use on any spark plug with removable terminal nut. Fits:FL 1941-1947EL 1936-1952Additional Information UOM1 - SET ManufacturerVolt Tech OriginImported ...$41.69 -
V-Twin - 32-1080 - 18mm Spark Plug Kit
Volt Tech
$103.48V-Twin - 32-1080 - 18mm Spark Plug KitDescriptionKit includes two D-16 Champion plugs and two outer covers and a set of cool fins.Outer covers are equipped with holes to look like the original air cooled design. Includes assembly tool. Spark plug cool...$103.48 -
V-Twin - 32-0973 - 9mm Vintage Cloth Spark Plug Wire Kit
Volt Tech
$21.88V-Twin - 32-0973 - 9mm Vintage Cloth Spark Plug Wire KitDescriptionVintage cloth 9mm spark plug wire kit includes brass eyelet ends with 40" overall length coil terminals, and boots.. Fits:UL 1937-1948VL 1930-1934FL 1941-1960WL 1930-1952EL...$21.88 -
V-Twin - 32-0272 - Spark Plug Adapter Bushing
Volt Tech
$28.96V-Twin - 32-0272 - Spark Plug Adapter BushingDescriptionSpark plug adapter bushing adapts 18mm to 7/8" size. Fits:J 1909-1927Additional Information UOM1 - SET MeasurementsAdditional InformationThreaded Length: 1/4" ManufacturerVolt Tech ...$28.96
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!