Spark Plugs & Wires
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Moroso - 27286 - Ign Wires Suppression Core/Set 78-83 Universal
MOROSO
$32.95Moroso - 27286 - Ign Wires Suppression Core/Set 78-83 UniversalFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel...$32.95 -
Moroso - 27287 - Ign Wires Spiral Core/Set 07-19 Xl
MOROSO
$32.95Moroso - 27287 - Ign Wires Spiral Core/Set 07-19 XlFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$32.95 -
Moroso - 27288 - Ign Wires Spiral Core/Set 78-83 Universal 78-83
MOROSO
$32.95Moroso - 27288 - Ign Wires Spiral Core/Set 78-83 Universal 78-83FeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel...$32.95 -
Moroso - 28286 - Ign Wires Ultra 40/Set 99-08 Flt
MOROSO
$39.95Moroso - 28286 - Ign Wires Ultra 40/Set 99-08 FltFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals that...$39.95 -
Moroso - 28322 - Ign Wires Ultra 40/Set 80-84 Fl 84-99 Soft 91-98 Dyna
MOROSO
$39.95Moroso - 28322 - Ign Wires Ultra 40/Set 80-84 Fl 84-99 Soft 91-98 DynaFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless...$39.95 -
Moroso - 28323 - Ign Wires Ultra 40/Set 85-96 Flt
MOROSO
$39.95Moroso - 28323 - Ign Wires Ultra 40/Set 85-96 FltFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals that...$39.95 -
Moroso - 28324 - Ign Wires Ultra 40/Set 82-99 Fxr
MOROSO
$39.95Moroso - 28324 - Ign Wires Ultra 40/Set 82-99 FxrFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals that...$39.95 -
Moroso - 28325 - Ign Wires Ultra 40/Set 86-03 Xl (Ex 1200S)
MOROSO
$39.95Moroso - 28325 - Ign Wires Ultra 40/Set 86-03 Xl (Ex 1200S)FeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel...$39.95 -
Moroso - 28327 - Ign Wires Ultra 40/Set 99-17 Fxd
MOROSO
$39.95Moroso - 28327 - Ign Wires Ultra 40/Set 99-17 FxdFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals that...$39.95 -
Moroso - 28329 - Ign Wires Ultra 40/Set 00-17 Softail
MOROSO
$39.95Moroso - 28329 - Ign Wires Ultra 40/Set 00-17 SoftailFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$39.95 -
Moroso - 28330 - Ign Wires Ultra 40/Set 04-06 Xl
MOROSO
$39.95Moroso - 28330 - Ign Wires Ultra 40/Set 04-06 XlFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals that...$39.95 -
Moroso - 28331 - Ign Wires Ultra 40/Set 07-19 Xl
MOROSO
$39.95Moroso - 28331 - Ign Wires Ultra 40/Set 07-19 XlFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals that...$39.95 -
Moroso - 28332 - Ign Wires Ultra 40/Set 78-83 Universal
MOROSO
$40.95Moroso - 28332 - Ign Wires Ultra 40/Set 78-83 UniversalFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$40.95 -
Accel - 2410A - Copper Core Spark Plugs Evo High Performance
Accel
$30.46Accel - 2410A - Copper Core Spark Plugs Evo High PerformanceFeaturesGlobal Trade Item Number: 743047924105ACCEL C-Cut Copper Spark Plugs creates a considerably hotter spark that lets the flame expand more rapidly in the combustion chamberAllows spark to...$30.46 -
Accel - 2418 - Copper Core Spark Plugs Tc/Xl High Performance
Accel
$30.46Accel - 2418 - Copper Core Spark Plugs Tc/Xl High PerformanceFeaturesGlobal Trade Item Number: 743047801673ACCEL C-Cut Copper Spark Plugs creates a considerably hotter spark that lets the flame expand more rapidly in the combustion chamberAllows spark to...$30.46 -
Moroso - 27396 - Ign Wires Spiral Core/Set 09-16 Flt
MOROSO
$36.95Moroso - 27396 - Ign Wires Spiral Core/Set 09-16 FltFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$36.95 -
Moroso - 28396 - Ign Wires Ultra 40/Set 09-16 Flt
MOROSO
$39.95Moroso - 28396 - Ign Wires Ultra 40/Set 09-16 FltFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals that...$39.95 -
Moroso - 27380 - Ign Wires Spiral Core/Set 17-Up M8 Flt
MOROSO
$67.95Moroso - 27380 - Ign Wires Spiral Core/Set 17-Up M8 FltFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$67.95 -
Moroso - 28619 - Ign Wires Ultra 40/Set Red 99-08 Flt
MOROSO
$40.95Moroso - 28619 - Ign Wires Ultra 40/Set Red 99-08 FltFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$40.95 -
Moroso - 28620 - Ign Wires Ultra 40/Set Red 09-16 Flt
MOROSO
$40.95Moroso - 28620 - Ign Wires Ultra 40/Set Red 09-16 FltFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$40.95 -
Moroso - 28621 - Ign Wires Ultra 40/Set Red 78-83 Universal
MOROSO
$40.95Moroso - 28621 - Ign Wires Ultra 40/Set Red 78-83 UniversalFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel...$40.95 -
Moroso - 28624 - Ign Wires Ultra 40/Set Red 82-99 Fxr
MOROSO
$40.95Moroso - 28624 - Ign Wires Ultra 40/Set Red 82-99 FxrFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$40.95 -
Moroso - 28625 - Ign Wires Ultra 40/Set Red 86-03 Xl (Ex 1200S)
MOROSO
$40.95Moroso - 28625 - Ign Wires Ultra 40/Set Red 86-03 Xl (Ex 1200S)FeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel...$40.95 -
Moroso - 28628 - Ign Wires Ultra 40/Set Red 98-03 Xl 1200S
MOROSO
$71.95Moroso - 28628 - Ign Wires Ultra 40/Set Red 98-03 Xl 1200SFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel...$71.95 -
Moroso - 28629 - Ign Wires Ultra 40/Set Red 00-17 Softail
MOROSO
$39.95Moroso - 28629 - Ign Wires Ultra 40/Set Red 00-17 SoftailFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel...$39.95 -
Moroso - 28630 - Ign Wires Ultra 40/Set Red 04-06 Xl
MOROSO
$39.95Moroso - 28630 - Ign Wires Ultra 40/Set Red 04-06 XlFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$39.95 -
Moroso - 28631 - Ign Wires Ultra 40/Set Red 07-19 Xl
MOROSO
$39.95Moroso - 28631 - Ign Wires Ultra 40/Set Red 07-19 XlFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$39.95 -
Moroso - 28641 - Ign Wires Ultra 40/Set Red 17-Up M8 Flt
MOROSO
$73.95Moroso - 28641 - Ign Wires Ultra 40/Set Red 17-Up M8 FltFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel...$73.95 -
Moroso - 28640 - Ign Wires Ultra 40/Set 17-Up M8 Flt
MOROSO
$73.95Moroso - 28640 - Ign Wires Ultra 40/Set 17-Up M8 FltFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600Â ), and have a silicone jacket to reduce heat and chafing. Locking stainless steel terminals...$73.95 -
K&S Technologies - 21040451 - Spark Plug Cap - 90Â - 14 mm
K&S Technologies Inc.
$9.95K&S TECHNOLOGIES - 21040451 - Spark Plug Cap - 90 - 14 mm Features Includes resistor cover and both end rubber caps Spark Plug Cap - 90° - 14 mm Includes resistor cover and both end rubber caps Specs Compatible Terminal...$9.95 -
V-Twin - 49-3073 - Indian Spark Plug Wire Tube Bracket
V-Twin
$13.05V-Twin - 49-3073 - Indian Spark Plug Wire Tube Bracket Description Indian spark plug wire tube bracket Fits: Chief 1922-1953 Additional Information UOM 1 - EA Manufacturer V-Twin Origin USA 2025 Catalog Pages 824$13.05 -
V-Twin - 49-2532 - Spark Plug Cable Bracket
V-Twin
$29.00V-Twin - 49-2532 - Spark Plug Cable BracketDescriptionSpark plug cable bracket Fits:UL 1937-1948 74" and 80"WL 1937-1952 SoloG 1937-1973 Servi-carAdditional Information OEM No.32000-37 UOM1 - EA ManufacturerV-Twin OriginImported 2025...$29.00 -
V-Twin - 49-1898 - JD Spark Plug & Parts Book Set
V-Twin
$117.24V-Twin - 49-1898 - JD Spark Plug & Parts Book SetDescriptionDoering 7/8" hex plugs with parts books for F and J models, packed in a 5 gallon can.Includes the Factory Service Bulletin for 1912-1926 Big Twins and the Parts Bokk for 1909-1932 V-Twins...$117.24 -
V-Twin - 49-1890 - 45 inch W/G 18mm Replica Spark/Wire Plug Kit
V-Twin
$149.28V-Twin - 49-1890 - 45 inch W/G 18mm Replica Spark/Wire Plug KitDescription18mm spark/wire plug kit includes 18mm x 7/8 " replica hex Doering #3 spark plugs, wires, books, wrench and a Side Valve parts book, packed in a 5 gallon metal can. Fits:G...$149.28 -
V-Twin - 49-1325 - Replica Spark Plug Shield Set
V-Twin
$47.54V-Twin - 49-1325 - Replica Spark Plug Shield SetDescriptionOriginal design of the early Harley covers with a black painted finish. The covers fit all 14mm or 18mm spark plugs with removable top nuts. Fits:UL 1936-1948G 1936-1964FL 1941-1964EL 1936-1952W...$47.54 -
V-Twin - 49-0982 - 18mm Beck Spark Plugs with Cool Fin Set
V-Twin
$179.38V-Twin - 49-0982 - 18mm Beck Spark Plugs with Cool Fin SetDescription18mm Beck spark plug kit includes two Beck 18mm #3 spark plugs, one set of cool fins, seal washers, removable brass terminal top nuts to accept early wire sets. Fits:UL 1937-1947EL...$179.38 -
V-Twin - 49-0980 - Replica 18mm Spark Plug Set
V-Twin
$113.64V-Twin - 49-0980 - Replica 18mm Spark Plug SetDescriptionThese spark plugs are for the antique motorcycle enthusiast who enjoy riding. Spark plugs are air cooled with a heat range #3. Includes the brass top nuts which are used with earlier style...$113.64 -
V-Twin - 49-0976 - 18mm Spark Plug Body Set
V-Twin
$57.11V-Twin - 49-0976 - 18mm Spark Plug Body SetDescriptionThis unique two piece zinc plated cover set converts the D-16 Champion 18mm spakr plugs to the early air cooled original Harley look! They are easy to install and re-useable.Conversion set is for 18mm...$57.11 -
V-Twin - 49-0880 - 7/8 inch Doering Spark Plug Set
V-Twin
$75.04V-Twin - 49-0880 - 7/8 inch Doering Spark Plug SetDescriptionReplica air cooled spark plug with 7/8" thread for early model motors and includes sealing washers, brass terminal and brass removable terminal nuts. Fits all 7/8" applications.Includes top...$75.04 -
V-Twin - 49-0878 - 18mm Doering Spark Plug Set
V-Twin
$71.37V-Twin - 49-0878 - 18mm Doering Spark Plug SetDescriptionLarge hex original design for air cooled engines, #3 heat range terminal nuts and seal washers included.Includes top ventilated brass collars for cooling, as original, Doering design! Terminal nut...$71.37
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!