Spark Plugs & Wires
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Drag Specialties - Iridium Spark Plugs fits '99-'17 Twin Cam, '86-'20 Sportster Models
Drag Specialties
MSRP: $20.95$20.35Drag Specialties - Iridium Spark Plugs fits '99-'17 Twin Cam, '86-'20 Sportster Models Features The ultimate in spark plug technology and performance Iridium electrode is smaller than a standard electrode; requires less voltage Hotter spark and...MSRP: $20.95$20.35 -
Drag Specialties - 8.8MM Spark Plug Wire Set fits '99-'17 Dyna Models
Drag Specialties
$26.47Drag Specialties - 8.8MM Spark Plug Wire Set fits '99-'17 Dyna Models Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E J2031 with a continuous operating...$26.47 -
Drag Specialties - 5R6A Spark Plug fits '75-'99 Harley Big Twin Models
Drag Specialties
$9.13Drag Specialties - Spark Plugs fits '75-'99 Big Twin Models (MID) The Drag Specialties Spark Plugs are a great choice for those looking to upgrade their '75-'99 Big Twin Models (MID). These plugs have a unique look with a black ceramic body and...$9.13 -
NGK - Iridium IX Spark Plug fits '99-'17 Twin Cam Models DCPR6EIX
NGK Spark Plugs
MSRP: $12.95$11.95NGK - Iridium IX Spark Plug fits '99-'17 Twin Cam Models DCPR6EIX Features: The ultimate in the evolution of spark plug technology and performance from the industry leader The iridium electrode is 25% smaller than a platinum electrode, and it's just...MSRP: $12.95$11.95 -
Drag Specialties - 8.8MM Spark Plug Wire Set fits '86-'03 Sportster Models
Drag Specialties
$25.45Drag Specialties - 8.8MM Spark Plug Wire Set fits '86-'03 Sportster Models Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E J2031 with a continuous operating...$25.45 -
Drag Specialties - Braided Universal Spark Plug Wires
Drag Specialties
$28.51Drag Specialties - Braided Universal Spark Plug Wires These are tin-plated copper wires with silicone insulation jackets, fiberglass coatings, and silicone boots. These qualities make the wires flame- and high-temperature- resistant. The external...$28.51 -
NGK - Spark Plug fits '99-'17 Twin Cam Models DCPR6E
NGK Spark Plugs
$6.95NGK - Spark Plug fits '99-'17 Twin Cam Models DCPR6E Features: Trivalent metal plating provides superior anti-corrosion and anti-seizing properties Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer Triple...$6.95 -
Drag Specialties - Performance Spark Plugs fits '17 & Up M8 Softail, '15-'20 XG500/750/750A Models
Drag Specialties
$8.11Drag Specialties - Performance Spark Plugs fits '17 & Up M8 Softail, '15-'20 XG500/750/750A Models Features Plugs have a unique look with a black ceramic body and bold red logo/script Insulator is made of 95% pure alumina, features strong...$8.11 -
Drag Specialties - 8.8MM Spark Plug Wire Set fits '04-'06 Sportster Models
Drag Specialties
$27.49Drag Specialties - 8.8MM Spark Plug Wire Set fits '04-'06 Sportster Models Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E J2031 with a continuous operating...$27.49 -
Drag Specialties - R5670-5 Spark Plug fits '48-'65 Panhead, '66-'74 Shovelhead
Drag Specialties
$8.11Drag Specialties - R5670-5 Spark Plug fits '48-'65 Panhead, '66-'74 Shovelhead The Drag Specialties R5670-5 Spark Plug is a top-of-the-line option for those looking to upgrade their '48-'65 Panhead or '66-'74 Shovelhead motorcycle. With a unique black...$8.11 -
Drag Specialties - Spark Plugs fits '75-'84 Shovelhead (Cold), '84-'99 Evolution Big Twin Models
Drag Specialties
$8.11Drag Specialties - Spark Plug fits '75-'84 Shovelhead (Cold), '84-'99 Evolution Big Twin Models This spark plug features a copper core electrode, which prevents oxidation and corrosion, provides good electrical and heat conductivity and makes long spark...$8.11 -
Drag Specialties - 8.8MM Spark Plug Wire Set fits '99-'08 Touring Models
Drag Specialties
$29.53Drag Specialties - 8.8MM Spark Plug Wire Set fits '99-'08 Touring Models Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E J2031 with a continuous operating...$29.53 -
Drag Specialties - Spark Plugs fits '79-'85 XL Sportster Models
Drag Specialties
$8.11Drag Specialties - Spark Plug fits '79-'85 XL Sportster Models Features: Plugs have a unique look with their black ceramic body and bold red logo/script Insulator is made of 95% pure alumina; features strong resistance to heat shock and superior...$8.11 -
Magnum - Braided Spark Plug Wires fits '99-'17 Dyna Glide Models
Magnum
$73.95Magnum - Braided Spark Plug Wires fits '99-'17 Dyna Glide Models These are high-voltage, high temperature 8mm silicone ignition wire with an OE style, high-performance suppression conductor core for guaranteed compatibility with all H-D ignition systems...$73.95 -
Drag Specialties - 8.8MM Spark Plug Wire Set fits '98-'03 Sportster Models
Drag Specialties
$49.93Drag Specialties - 8.8MM Spark Plug Wire Set fits '98-'03 Sportster Models Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E J2031 with a continuous operating...$49.93 -
Drag Specialties - Spark Plugs fits '75-'84 Shovelhead (Hot), '84-'99 Evolution Big Twin Models
Drag Specialties
$9.13Drag Specialties - Spark Plug fits '75-'84 Shovelhead (Hot), '84-'99 Evolution Big Twin Models Hot Spark Plugs: Designed for: Optimal performance in engines that operate mostly under low to moderate load conditions. Characteristics: Have a longer...$9.13 -
Magnum - Braided Spark Plug Wire fits '17-'21 Touring Models
Magnum
$95.95Magnum - Braided Spark Plug Wire fits '17-'20 Touring Models This is the industry's highest quality braid and is available in your choice of blue, sterling chromite II, black pearl, polished stainless or red. Features Braid perfectly matches all...$95.95 -
Drag Specialties - 8.8MM Spark Plug Wire Set fits '07-'20 Sportster Models
Drag Specialties
$27.49Drag Specialties - 8.8MM Spark Plug Wire Set fits '07-'20 Sportster Models Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E J2031 with a continuous operating...$27.49 -
Magnum - Braided Spark Plug Wires fits '18-'23 Softail Models
Magnum
$93.95Magnum - Braided Spark Plug Wires fits '18-'23 Softail Models These are high-voltage, high temperature 8mm silicone ignition wire with an OE style, high-performance suppression conductor core for guaranteed compatibility with all H-D ignition systems...$93.95 -
NGK - Iridium IX Spark Plug fits '17-'22 M-Eight, '15-'20 XG500/750/750A Models CR9EIX
NGK Spark Plugs
MSRP: $12.95$11.95NGK - Iridium IX Spark Plug fits '17-'22 M-Eight, '15-'20 XG500/750/750A Models CR9EIX Features: The ultimate in the evolution of spark plug technology and performance from the industry leader The iridium electrode is 25% smaller than a platinum...MSRP: $12.95$11.95 -
Drag Specialties - Performance Spark Plugs fits '57-'78 Sportster Models
Drag Specialties
$8.11Drag Specialties - Performance Spark Plugs fits '57-'78 Sportster Models This spark plug features a copper core electrode, which prevents oxidation and corrosion, provides good electrical and heat conductivity and makes long spark plug service life. The...$8.11 -
Magnum - Braided Spark Plug Wire fits '99-'08 Touring Models
Magnum
$21.29 - $73.95Magnum - Braided Spark Plug Wire fits '99-'08 Touring Models This is the industry's highest quality braid and is available in your choice of blue, sterling chromite II, black pearl, polished stainless or red. Features Braid perfectly matches all...$21.29 - $73.95 -
Drag Specialties - 8.8MM Spark Plug Wire Set Universal fit W/ 180° and 90° Boots (Except Twin Cam)
Drag Specialties
$31.57Drag Specialties - 8.8MM Spark Plug Wire Set Universal fit W/ 180° and 90° Boots Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E J2031 with a...$31.57 -
Drag Specialties - 8.8MM Spark Plug Wire Set fits '00-'17 Softail Models
Drag Specialties
$24.43Drag Specialties - 8.8MM Spark Plug Wire Set fits '00-'17 Softail Models Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E J2031 with a continuous operating...$24.43 -
Drag Specialties - 8.8MM Spark Plug Wire Set fits '09-'16 Touring Models
Drag Specialties
$30.55Drag Specialties - 8.8MM Spark Plug Wire Set fits '09-'16 Touring Models Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E J2031 with a continuous operating...$30.55 -
Magnum - Braided Spark Plug Wires fits '07-'22 Sportster Models (Exc. '08-'11 XR1200X, RH Sportster Models)
Magnum
$73.95Magnum - Braided Spark Plug Wires fits '07-'22 Sportster Models (Exc. '08-'11 XR1200X, RH Sportster Models) These are high-voltage, high temperature 8mm silicone ignition wire with an OE style, high-performance suppression conductor core for guaranteed...$73.95 -
Magnum - Braided Spark Plug Wires fits '00-'17 FXST/FLST/FLS, '17 FXSB & '13-'14 FXSBSE Model
Magnum
$73.95Magnum - Braided Spark Plug Wires fits '00-'17 FXST/FLST/FLS, '17 FXSB & '13-'14 FXSBSE Model These are high-voltage, high temperature 8mm silicone ignition wire with an OE style, high-performance suppression conductor core for guaranteed...$73.95 -
Drag Specialties - 8.8MM Black Spark Plug Wire Set Universal fit for Twin Cam W/ 180° and 90° Boots
Drag Specialties
$33.61Drag Specialties - 8.8MM Black Spark Plug Wire Set Universal fit for Twin Cam W/ 180° and 90° Boots Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E...$33.61 -
Drag Specialties - 8.8MM Spark Plug Wire Set Universal fit Dual Plug W/ Two 40° Wires and Ends (Except Twin Cam)
Drag Specialties
$46.87Drag Specialties - 8.8MM Spark Plug Wire Set Universal fit Dual Plug W/ Two 40° Wires and Ends Features Constructed with silicone throughout the jacket, insulation and core to deliver high-temperature resistance Rated at SAE Class E J2031 with a...$46.87 -
Pathfinder - H4 LED Headlamp Wiring Harness - Fits Touring Harley
Pathfinder
$19.99Pathfinder H4 LED Headlamp Wiring Harness Fits Touring Harley The Pathfinder Wiring Harness is perfect if you want to add the their High Definition 7" LED Headlight to your Touring Harley Davidson. This wiring harness converts an LED headlamp with an H4...$19.99 -
Ngk Spark Plugs - 3981 - Iridium IX Spark Plug - BR9EIX
NGK Spark Plugs
$11.95Ngk 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...$11.95 -
Ngk Spark Plugs - 6263 - Spark Plug - CR9E
NGK Spark Plugs
$11.95Ngk Spark Plugs - 6263 - Spark Plug - CR9EFeaturesPlatformTrivalent metal plating provides superior anti-corrosion and anti-seizing propertiesPure alumina silicate ceramic insulator, provides superior strength and better heat transferTriple seals prevent...$11.95 -
Ngk Spark Plugs - 7634 - Spark Plug - BPR5ES-11
NGK Spark Plugs
$4.95Ngk Spark Plugs - 7634 - Spark Plug - BPR5ES-11FeaturesPlatformTrivalent metal plating provides superior anti-corrosion and anti-seizing propertiesPure alumina silicate ceramic insulator, provides superior strength and better heat transferTriple seals...$4.95 -
Ngk Spark Plugs - 2115 - Iridium IX Spark Plug - BPR5EIX-11
NGK Spark Plugs
$11.95Ngk Spark Plugs - 2115 - Iridium IX Spark Plug - BPR5EIX-11FeaturesPlatformThe 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...$11.95 -
Champion - CCH-404 - Spark Plug - RN12YC
Champion
$3.95Champion - CCH-404 - Spark Plug - RN12YCFeaturesCopper 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...$3.95 -
Champion - 810 - Spark Plug - RA8HC
Champion
$4.95Champion - 810 - Spark Plug - RA8HCFeaturesCopper 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...$4.95 -
Champion - 538 - Spark Plug - RH8C
Champion
$4.95Champion - 538 - Spark Plug - RH8CFeaturesCopper 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...$4.95 -
Champion - 810S - Spark Plug - RA8HC - 24 Pack
Champion
$94.95Champion - 810S - Spark Plug - RA8HC - 24 PackFeaturesCopper 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...$94.95 -
Autolite - 4316 - Spark Plug - #4316
Autolite
$4.95Autolite - 4316 - Spark Plug - #4316FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsProduct NameSpark PlugGround Electrode ShapeStandardCenter Electrode TypeNecked...$4.95 -
Autolite - 4275 - Spark Plug - #4275
Autolite
$4.95Autolite - 4275 - Spark Plug - #4275FeaturesDesigned for a sharper, leaner spark with tapered nickel/chrome alloy tip and copper center electrodeMade in the USASpecsGround Electrode ConfigurationSingleStyleCopperTypeResistorCenter Electrode...$4.95
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!