Spark Plugs & Wires
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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 600 ), and have a silicone jacket to reduce...$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 600 ), and have a silicone jacket to reduce...$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 600 ), and have a silicone jacket to reduce...$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 600 ), and have a silicone jacket to...$39.95 -
Moroso - 28326 - Ign Wires Ultra 40/Set 97-98 Flt
Moroso
$39.95Moroso - 28326 - Ign Wires Ultra 40/Set 97-98 FltFeaturesAll Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600 ), and have a silicone jacket to reduce...$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 600 ), and have a silicone jacket to reduce...$39.95 -
Accel - 2418 - Copper Core Spark Plugs Tc/Xl High Performance
Accel
$37.35Accel - 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...$37.35 -
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 600 ), and have a silicone jacket to reduce...$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 600 ), and have a silicone jacket to reduce...$39.95 -
K&S Technologies - 21040451 - Spark Plug Cap - 90 - 14 mm
K&S Technologies Inc.
$10.95K&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...$10.95 -
V-Twin - 49-3073 - Indian Spark Plug Wire Tube Bracket - Fits 1922-1953 Indian Chief
V-Twin Mfg
MSRP: $11.86$11.74Indian spark plug wire tube bracket Fits: Chief 1922-1953 Additional Information UOM 1 - EAMSRP: $11.86$11.74 -
V-Twin - 49-2532 - Spark Plug Cable Bracket - Fits 1937-1948 Harley-Davidson UL 74"/80", 1937-1952 WL (Solo), 1937-1973 G (Servi-Car)
V-Twin Mfg
$27.12Spark plug cable bracket Fits: UL 1937-1948 74" and 80" WL 1937-1952 Solo G 1937-1973 Servi-car Additional Information OEM No.$27.12
V-Twin - 49-1890 - 45 inch W/G 18mm Replica Spark/Wire Plug Kit - Fits 1937-1947 Harley-Davidson G, 1930-1952 W, 1930-1936 VL
V-Twin Mfg
$142.1118mm 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 1937-1947 W...$142.11
V-Twin - 49-1325 - Replica Spark Plug Shield Set - Fits 1936-1948 Harley-Davidson UL, 1936-1964 G, 1941-1964 FL, 1936-1952 EL, W
V-Twin Mfg
$46.20Original 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...$46.20
V-Twin - 49-0982 - 18mm Beck Spark Plugs with Cool Fin Set - Fits 1937-1947 Harley-Davidson UL, 1936-1947 EL, 1941-1947 FL
V-Twin Mfg
$169.5118mm 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 1936-1947FL...$169.51
V-Twin - 49-0980 - Replica 18mm Spark Plug Set - Fits 1937-1947 Harley-Davidson UL, 1936-1947 EL, 1941-1947 FL
V-Twin Mfg
$124.64These 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 terminals...$124.64
V-Twin - 49-0976 - 18mm Spark Plug Body Set - Fits 1937-1948 Harley-Davidson UL, 1936-1940 EL, 1929-1952 WL, 1941-1947 FL
V-Twin Mfg
$55.51This 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...$55.51
V-Twin - 49-0880 - 7/8 inch Doering Spark Plug Set - Fits 1937-1948 Harley-Davidson UL, 1909-1916 F, 1930-1936 RL, VL, 1917-1926 J
V-Twin Mfg
$75.78Replica 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...$75.78
V-Twin - 49-0878 - 18mm Doering Spark Plug Set - Fits 1936-1947 Harley-Davidson G, 1930-1936 RL, 1937-1947 W, 1937-1948 U, 1926-1929 J, 1930-1936 VL, 1924-1930 JD
V-Twin Mfg
$75.78Large 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 is...$75.78
V-Twin - 49-0862 - Parkerized 18mm Spark Plug Socket - Fits 1936-1947 Harley-Davidson W, EL
V-Twin Mfg
$24.18Parkerized 18mm Spark plug socket. Fits:W 1936-1947EL 1936-1947Additional Information UOM1 - EA Manuf$24.18
V-Twin - 49-0624 - Polished Aluminum Spark Plug Holder - Fits 1941-1964 Harley-Davidson FL, 1936-1952 EL
V-Twin Mfg
$84.03Spark 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. Made by the...$84.03
V-Twin - 49-0176 - Alloy Spark Plug Cool Fin Set
V-Twin Mfg
$27.71V-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$27.71
V-Twin - 48-1961 - Doering Spark Plug Patches
V-Twin Mfg
MSRP: $11.86$11.74V-Twin - 48-1961 - Doering Spark Plug PatchesDescriptionDoering Spark Plug patches can be easily ironed or sewn on.Set of two. **NOTE: When using an electric iron to apply the patches to clothing,...MSRP: $11.86$11.74
V-Twin - 42-1537 - Universal Black Spark Plug Holder with Clamps
V-Twin Mfg
$30.20V-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...$30.20
V-Twin - 42-0929 - Head and Spark Plug Cover Chrome - Fits 1986-1999 Harley-Davidson FXR, FLT, 1991-1999 FXD, 1986-1999 FLST, FXST
V-Twin Mfg
MSRP: $74.83$74.09Chrome 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 1986-1999FXST...MSRP: $74.83$74.09
V-Twin - 42-0318 - Universal Chrome Spark Plug Holder with Clamps
V-Twin Mfg
MSRP: $36.64$35.90V-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...MSRP: $36.64$35.90
V-Twin - 37-9238 - Front Spark Wire Clamp - Fits 1936-1940 Harley-Davidson EL, 1941-1964 FL
V-Twin Mfg
$15.77Front spark wire clamp. Fits:EL 1936-1940FL 1941-1964Additional Information OEM No.4726-36 UOM$15.77
V-Twin - 37-8953 - Spark Plug Cover
V-Twin Mfg
MSRP: $9.86$9.76V-Twin - 37-8953 - Spark Plug CoverDescriptionSpark plug coversSold as a pair. ...MSRP: $9.86$9.76
V-Twin - 37-8952 - Chrome Spark Plug Cover - Fits 1984-1999 Harley-Davidson FXST, 1991-1999 FXD, 1982-1994 FXR, 1986-1999 FLST, 1971-1984 FX, 1979-1999 FLT, 1957-1985 XL, 1948-1984 FL
V-Twin Mfg
MSRP: $9.86$9.76Chrome 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...MSRP: $9.86$9.76
V-Twin - 3222-1 - Spark Plug Cable Bracket Zinc
Colony Machine
$26.06V-Twin - 3222-1 - Spark Plug Cable Bracket ZincDescriptionZinc plated spark plug cable bracket use on 1966-1984 Big Twins. Fits:FX 1971-1984FL 1966-1984Additional Information$26.06
V-Twin - 32-9294 - Autolite Spark Plug Standard
Autolite
$37.27V-Twin - 32-9294 - Autolite Spark Plug StandardDescriptionAutolite spark plugs, standard type. Fits:XL 1980-1985Additional Information$37.27
V-Twin - 32-9293 - Autolite Spark Plug Standard
Autolite
$35.40V-Twin - 32-9293 - Autolite Spark Plug StandardDescriptionAutolite spark plugs, standard, hotter than stock type. Fits:XL 1957-1979Additional Information$35.40
V-Twin - 32-9250 - Accel Black 8.8mm Spark Plug Wire Kit
Accel
$93.96V-Twin - 32-9250 - Accel Black 8.8mm Spark Plug Wire Kit Description Accel 42" spark plug wire kit have the ends terminated with a 90 boot and come with a hardware kit which includes terminals,...$93.96
V-Twin - 32-9231 - Autolite Platinum Spark Plug Set
Autolite
MSRP: $21.94$20.44V-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...MSRP: $21.94$20.44
V-Twin - 32-9197 - Accel 8mm S/S Spiral Core Ignition Wire Set Yellow
Accel
$92.28V-Twin - 32-9197 - Accel 8mm S/S Spiral Core Ignition Wire Set Yellow Description Accel S/S core ignition wire set features a yellow finish and extra thick 8mm silicone jacket and silicon...$92.28
V-Twin - 32-9196 - Accel 8mm S/S Spiral Core Ignition Wire Set Red
Accel
$93.93V-Twin - 32-9196 - Accel 8mm S/S Spiral Core Ignition Wire Set Red Description Accel S/S core ignition wire set features a red finish and extra thick 8mm silicone jacket and silicon insulation to...$93.93
V-Twin - 32-9195 - Accel 8mm S/S Spiral Core Ignition Wire Set Blue
Accel
$92.28V-Twin - 32-9195 - Accel 8mm S/S Spiral Core Ignition Wire Set Blue Description Accel S/S core ignition wire set features a blue finish and extra thick 8mm silicone jacket and silicon insulation to...$92.28
V-Twin - 32-9194 - Accel 8mm S/S Spiral Core Ignition Wire Set Black
Accel
$97.17V-Twin - 32-9194 - Accel 8mm S/S Spiral Core Ignition Wire Set Black Description Accel S/S core ignition wire set features a black finish and extra thick 8mm silicone jacket and silicon insulation...$97.17
V-Twin - 32-9193 - Accel 8mm S/S Spiral Core Ignition Wire Set Yellow
Accel
$121.10V-Twin - 32-9193 - Accel 8mm S/S Spiral Core Ignition Wire Set Yellow Description Accel S/S core ignition wire set features a yellow finish and extra thick 8mm silicone jacket and silicon...$121.10
V-Twin - 32-9192 - Accel 8mm S/S Spiral Core Ignition Wire Set Red
Accel
$135.44V-Twin - 32-9192 - Accel 8mm S/S Spiral Core Ignition Wire Set Red Description Red finish Accel S/S core ignition wire set features an extra thick 8mm silicone jacket and silicon insulation to...$135.44
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!