Spark Plugs & Wires
461 parts
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V-Twin - 32-0057 - Spark Plug Adapter Sleeve Set
Volt Tech
$30.20V-Twin - 32-0057 - Spark Plug Adapter Sleeve SetDescriptionSpark plug adapter sleeve kit allows 14mm plugs to be used in earlier heads with 18mm spark plug threads.Sold in a quantity of 2. Fits:EL...$30.20 -
V-Twin - 31-0145 - Rear Spark Plug Wire Bracket - Fits 1941-1960 Harley-Davidson FL, 1937-1940 EL
V-Twin Mfg
MSRP: $11.86$11.74Rear spark plug wire bracket Fits:FL 1941-1960EL 1937-1940Additional Information OEM No.32000-37A UOMMSRP: $11.86$11.74 -
V-Twin - 2996-1 - Cadmium Plated Spark Plug Cable Wire Clip
Colony Machine
MSRP: $11.20$11.09V-Twin - 2996-1 - Cadmium Plated Spark Plug Cable Wire ClipDescriptionCadmium plated early style spark plug cable wire clip. Fits:EL 1936-1940Additional InformationMSRP: $11.20$11.09 -
V-Twin - 2960-1 - Parkerized Spark Plug Cable Wire Clip
Colony Machine
MSRP: $11.20$11.09V-Twin - 2960-1 - Parkerized Spark Plug Cable Wire ClipDescriptionParkerized early style spark plug cable wire clip. Fits:EL 1936-1940Additional InformationMSRP: $11.20$11.09 -
V-Twin - 16-1387 - 18mm x 1-3/8 inch Hex Spark Plug Socket Parkerized - Fits 1930-1936 Harley-Davidson VL, 1917-1926 J
V-Twin Mfg
$34.1818mm x 1-3/8" hex spark plug socket for 7/8" thread plugs features a parkerized finish. Fits:VL 1930-1936J 1917-1926Additional Information UOM1$34.18 -
V-Twin - 16-1383 - 18mm Spark Plug Tool Parkerized
Motorshop
$37.27V-Twin - 16-1383 - 18mm Spark Plug Tool ParkerizedDescriptionSpark plug tool features a parkerized finish and is for use with OE Harley 18mm plugs. Designed to fit within the slots in order to...$37.27 -
V-Twin - 16-1345 - Parkerized 18mm Spark Plug Socket Tool Set
Motorshop
MSRP: $42.09$41.25V-Twin - 16-1345 - Parkerized 18mm Spark Plug Socket Tool SetDescriptionOriginal style parkerized spark plug socket set includes offset wrench which will fit 14mm and 18mm spark plugs. Fits:UL...MSRP: $42.09$41.25 -
V-Twin - 16-1286 - Spark Plug Wrench
Motorshop
$36.59V-Twin - 16-1286 - Spark Plug WrenchDescriptionWrench is for 18mm early style air cooled 7/8" and 1-1/8" Champion hex plugs.Wrench fits new type Champion spark plug D-16. Fits:G 1937-1963UL...$36.59 -
V-Twin - 16-0907 - Thread Insert for Spark Plugs
Helicoil
$29.85V-Twin - 16-0907 - Thread Insert for Spark PlugsDescriptionHeli-Coil thread inserts only for spark plugs with thread size of 16mm and a length of .500". Includes 6 inserts, drill size of 23/32...$29.85 -
V-Twin - 16-0906 - Thread Repair Kit for Spark Plugs
Helicoil
$416.30V-Twin - 16-0906 - Thread Repair Kit for Spark Plugs Description The Heli-Coil thread repair kit is for spark plugs with thread size of 18mm and length of .500". This kit includes tap,installation...$416.30 -
V-Twin - 16-0825 - Spark Plug Wrench Tool
Motorshop
MSRP: $11.14$11.02V-Twin - 16-0825 - Spark Plug Wrench ToolDescriptionSpark plug wrench, 14mm Fits:All modelsAdditional Information OEM No.MSRP: $11.14$11.02 -
V-Twin - 16-0514 - Spark Plug Wire Tool
Motorshop
$60.48V-Twin - 16-0514 - Spark Plug Wire ToolDescriptionSpark plug wire tool strips 7 and 8mm ignition wires, and crimps spark plug and distributor terminals. Fits:All modelsAdditional Information$60.48 -
V-Twin - 16-0372 - 18mm Spark Plug Socket Tool
Motorshop
MSRP: $19.86$19.66V-Twin - 16-0372 - 18mm Spark Plug Socket ToolDescription18mm spark plug socket for use with hex box wrench.For taking apart OE and Beck spark plugs. Must use with wrench and vise. Fits:Custom...MSRP: $19.86$19.66 -
V-Twin - 16-0202 - Plug Socket Tool Set
Motorshop
MSRP: $19.86$19.66V-Twin - 16-0202 - Plug Socket Tool SetDescriptionPlug socket tool set for 12mm and 14mm plugs. Fits:All modelsAdditional InformationMSRP: $19.86$19.66 -
V-Twin - 15-1543 - Copper Spark Plug Sealing Washer
Gary Bang
MSRP: $21.86$20.44V-Twin - 15-1543 - Copper Spark Plug Sealing WasherDescriptionReplica copper spark plug washer is insulator filled. Fits:FL 1948-1964Additional Information <MSRP: $21.86$20.44 -
V-Twin - 15-1376 - 18mm Spark Plug Copper Sealing Washer
Gary Bang
MSRP: $17.86$17.68V-Twin - 15-1376 - 18mm Spark Plug Copper Sealing WasherDescriptionSpark plug gasket is a replica copper filled style and fits all 18mm spark plugs from 1908-1947. Fits:VL 1930-1934J 1916-1926EL...MSRP: $17.86$17.68 -
Drag Specialties - DS305009 - Head Bolt/Spark Plug Covers - Chrome - XL
Drag Specialties
$82.63Drag Specialties - DS305009 - Head Bolt/Spark Plug Covers - Chrome - XLFeaturesA step beyond individual headbolt covers and spark plug coversDrag and Billy Westbrook have teamed up to put an end to...$82.63 -
Drag Specialties - 21040220 - Spark Plug Wires - Square Coil
Drag Specialties
$21.35Drag Specialties - 21040220 - Spark Plug Wires - Square CoilFeaturesReplacement spark plug wiresSpecsUnits$21.35 -
Drag Specialties - 21040144 - 8.8 mm Plug Wires - '97-'98 FL
Drag Specialties
$30.98Drag Specialties - 21040144 - 8.8 mm Plug Wires - '97-'98 FLFeaturesConstructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistanceRated at SAE Class E...$30.98 -
Drag Specialties - 21040142 - 8.8 mm Plug Wires - '82-'99 FXR
Drag Specialties
$27.77Drag Specialties - 21040142 - 8.8 mm Plug Wires - '82-'99 FXRFeaturesConstructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistanceRated at SAE Class E...$27.77 -
Drag Specialties - 21040137 - Plug Wires - '71-E'78 XL
Drag Specialties
$28.84Drag Specialties - 21040137 - Plug Wires - '71-E'78 XLFeaturesRated at SAE Class E J2031Constructed with silicone throughout the jacket to deliver high-temperature resistanceContinuous operating...$28.84 -
Drag Specialties - 21040136 - Plug Wires - '58-'69 XL with Magneto
Drag Specialties
$32.05Drag Specialties - 21040136 - Plug Wires - '58-'69 XL with MagnetoFeaturesRated at SAE Class E J2031Constructed with silicone throughout the jacket to deliver high-temperature resistanceContinuous...$32.05 -
Drag Specialties - 09401316 - Spark Plug Cover - Silver - Sportster
Drag Specialties
$66.73Drag Specialties - 09401316 - Spark Plug Cover - Silver - SportsterFeaturesComes with mounting hardwareSold as a kit for two headsSpecs<$66.73 -
Sumax - 76083 - Spark Plug Wire - 135° - Black - Universal
Sumax
$41.95Sumax - 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...$41.95 -
Sumax - 76281 - Spark Plug Wire - 90° - Red - Universal
Sumax
$41.95Sumax - 76281 - Spark Plug Wire - 90 - Red - UniversalFeaturesDesigner plug wire sets come in distinctive, highly visible colorsHave the plug boots and terminals already installedBoots and wires are...$41.95 -
Sumax - 76081 - Spark Plug Wire - 90° - Black - Universal
Sumax
$41.95Sumax - 76081 - Spark Plug Wire - 90 - Black - UniversalFeaturesDesigner plug wire sets come in distinctive, highly visible colorsHave the plug boots and terminals already installedBoots and wires...$41.95 -
Sumax - 76085 - Spark Plug Wire - 180° - Black - Universal
Sumax
$41.95Sumax - 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...$41.95 -
Sumax - 76681 - Spark Plug Wire - 90° - Blue - Universal
Sumax
$41.95Sumax - 76681 - Spark Plug Wire - 90 - Blue - UniversalFeaturesDesigner plug wire sets come in distinctive, highly visible colorsHave the plug boots and terminals already installedBoots and wires...$41.95 -
Parts Unlimited - Spark Plug Cap - 120 Degree - Red
Parts Unlimited
$10.55Parts Unlimited - Spark Plug Cap - 120 Degree - RedFeaturesFit 10 mm, 12 mm and 14 mm plugs with terminal nutsAccept 7 mm or 8 mm plug wiresFor terminal nut style plugsNot for use on fuel-injected...$10.55 -
Parts Unlimited - Spark Plug Cap - 120 Degree - Blue
Parts Unlimited
$10.55Parts Unlimited - Spark Plug Cap - 120 Degree - BlueFeaturesFit 10 mm, 12 mm and 14 mm plugs with terminal nutsAccept 7 mm or 8 mm plug wiresFor terminal nut style plugsNot for use on fuel-injected...$10.55 -
Parts Unlimited - Spark Plug Cap - Straight - Blue
Parts Unlimited
$10.55Parts Unlimited - Spark Plug Cap - Straight - BlueFeaturesFit 10 mm, 12 mm and 14 mm plugs with terminal nutsAccept 7 mm or 8 mm plug wiresFor terminal nut style plugsNot for use on fuel-injected...$10.55 -
Parts Unlimited - Spark Plug Cap - Straight - Red
Parts Unlimited
$10.55Parts Unlimited - Spark Plug Cap - Straight - RedFeaturesFit 10 mm, 12 mm and 14 mm plugs with terminal nutsAccept 7 mm or 8 mm plug wiresFor terminal nut style plugsNot for use on fuel-injected...$10.55 -
Parts Unlimited - Spark Plug Cap - 90 Degree - Blue
Parts Unlimited
$10.55Parts Unlimited - Spark Plug Cap - 90 Degree - BlueFeaturesFit 10 mm, 12 mm and 14 mm plugs with terminal nutsAccept 7 mm or 8 mm plug wiresFor terminal nut style plugsNot for use on fuel-injected...$10.55 -
Motion Pro - 08-0579 - Gap Tool - Spark Plug
Motion Pro
$19.99Motion Pro - 08-0579 - Gap Tool - Spark PlugFeaturesIdeal tool for checking and setting spark plug gap on almost any spark plugIncludes 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 and 1.0 mm gap...$19.99 -
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...$3.95 -
Lang Tools - 4450A - E-Z™ Grip Spark Plug Tool
Lang Tools
$9.95Lang 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...$9.95 -
Daytona Twin Tec Llc - 3002 - 7 mm Universal Plug Wire Kit
Daytona Twin Tech
$32.95Daytona Twin Tec Llc - 3002 - 7 mm Universal Plug Wire KitFeaturesKit includes plug wires, terminals and boots for many applicationsMade in the U.S.A.Specs$32.95 -
Cycle Performance Prod. - CPP/9041-14 - Washer - Spark Plug - 14 mm
Cycle Performance Prod.
$24.95Cycle Performance Prod. - CPP/9041-14 - Washer - Spark Plug - 14 mmFeaturesAchieve maximum performance by indexing spark plug electrode gap towards the intake valveEach kit includes 15 washers: five ...$24.95 -
Cycle Performance Prod. - CPP/9041-12 - Washer - Spark Plug - 12 mm
Cycle Performance Prod.
$24.95Cycle Performance Prod. - CPP/9041-12 - Washer - Spark Plug - 12 mmFeaturesAchieve maximum performance by indexing spark plug electrode gap towards the intake valveEach kit includes 15 washers: five ...$24.95 -
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...$56.95
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!