Plug Wire
Harley Bike Plug Wires at JJ Motorsports
Boost your Harley's spark with premium plug wire sets from JJ Motorsports, featuring 10.4mm braided and chromite designs for stronger ignition, reduced resistance, and reliable performance on Sportster, Dyna, Softail, Touring, and XL models. These high-quality wires deliver hotter sparks and custom looks.
Shop Magnum, Drag Specialties, and Sumax plug wires for proven durability. Explore related categories such as Harley lights and electrical for coils and batteries, or Harley for exhaust and cams to complete your ignition upgrade.
Top Harley Plug Wires
- Magnum Spark Plug Wire Set Sterling Chromite LL FL 17-3046C – Sterling Chromite braided set for late-model FL Touring; 10.4mm core for maximum spark energy.
- Drag Specialties Plug Wires 71-E78 XL SPW2-DS – Black 8.5mm wire set for 1971-1978 XL Sportster; direct-fit with silicone insulation.
- Sumax 10.4 mm Spark Plug Wire 00-17 ST Red 40231 – Red 10.4mm silicone wire set for 2000-2017 Softail; high-voltage for Twin Cam performance.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
DRAG SPECIALTIES 8.8 mm Plug Wires - '99-'17 FXD SPW11-DS
DRAG SPECIALTIES
$30.98Reliable ignition is non-negotiable in high-performance applications, and factory plug wires often fail under sustained heat and load. These Drag Specialties 8.8 mm wires are engineered for Harley-Davidson FXD models to withstand extreme engine...21040146- SKU:
- 21040146
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- WIRE
- UNITS:
- PAIR
- WIRE DIAMETER:
- 8.8 MM
- TYPE:
- SPARK PLUG
- WIRE LENGTH IMPERIAL:
- 17'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- WIRE LENGTH IMPERIAL:
- 19'
$30.98 -
DRAG SPECIALTIES 8.8 mm Plug Wires - '98-'03 XL 1200S SPW12-DS
DRAG SPECIALTIES
$54.52Reliable ignition is non-negotiable in a high-performance motorcycle engine, and factory plug wires often fail under sustained heat and aggressive tuning. These DRAG SPECIALTIES 8.8mm wires are engineered specifically for the '98-'03 XL 1200S, combining...21040147- SKU:
- 21040147
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- PRODUCT NAME:
- WIRE
- TYPE:
- SPARK PLUG
- WIRE LENGTH IMPERIAL:
- 13-1/2'
- UNITS:
- KIT
- WIRE DIAMETER:
- 8.8 MM
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$54.52 -
DRAG SPECIALTIES 8.8 mm Plug Wires - Universal - Dual SPW14-DS
DRAG SPECIALTIES
$54.52Unreliable spark plug wires are a common culprit behind misfires, power loss, and inconsistent ignition timing—especially under high heat and sustained RPM. These Drag Specialties wires eliminate that variable with full-silicone construction and genuine...21040149- SKU:
- 21040149
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- RIDING STYLE:
- STREET
- WIRE DIAMETER:
- 8.8 MM
- WIRE LENGTH IMPERIAL:
- 40'
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- MODEL:
- UNIVERSAL
- TYPE:
- SPARK PLUG
- PRODUCT NAME:
- WIRE
$54.52 -
DRAG SPECIALTIES 8.8 mm Plug Wires - '07-'20 XL SPW16-DS
DRAG SPECIALTIES
$30.98Reliable ignition systems are the foundation of consistent engine performance, and inferior plug wires will cost you on the strip and on the street. These Drag Specialties wires deliver thermal stability and electrical integrity under extreme...21040186- SKU:
- 21040186
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- COLOR/FINISH:
- BLACK
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- WIRE LENGTH IMPERIAL:
- 9'
- WIRE DIAMETER:
- 8.8 MM
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- WIRE LENGTH IMPERIAL:
- 21'
$30.98 -
DRAG SPECIALTIES 8.8 mm Plug Wires - '99-'08 FL SPW10-DS
DRAG SPECIALTIES
$34.19Ignition reliability is non-negotiable in any performance application, and compromised plug wires will cost you consistency on the track or street. The DRAG Specialties 8.8 mm plug wires deliver stable spark delivery across extreme operating conditions...21040145- SKU:
- 21040145
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- WIRE DIAMETER:
- 8.8 MM
- WIRE LENGTH IMPERIAL:
- -
- COLOR/FINISH:
- BLACK
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
$34.19 -
DRAG SPECIALTIES Plug Wires - '68-E'78 FX/XL SPW3-DS
DRAG SPECIALTIES
$27.77If you're running classic FX/XL Harley iron with points or magneto ignition, reliable spark delivery is non-negotiable for consistent performance and engine longevity. DRAG Specialties plug wires are engineered to handle the heat and vibration of vintage...21040138- SKU:
- 21040138
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- WIRE DIAMETER:
- 8.8 MM
- TYPE:
- SPARK PLUG
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- PRODUCT NAME:
- WIRE
$27.77 -
DRAG SPECIALTIES 8.8 mm Plug Wires - Universal Twin Cam SPW18-DS
DRAG SPECIALTIES
$37.40Reliable ignition is non-negotiable in high-performance applications, and substandard plug wires will cost you consistency on the track or street. The DRAG SPECIALTIES 8.8 mm Plug Wires deliver the thermal stability and electrical integrity your engine...21040247- SKU:
- 21040247
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- WIRE
- WIRE LENGTH IMPERIAL:
- 38'
- UNITS:
- KIT
- WIRE DIAMETER:
- 8.8 MM
- TYPE:
- SPARK PLUG
- COLOR/FINISH:
- BLACK
- MODEL:
- UNIVERSAL
- RIDING STYLE:
- STREET
$37.40 -
DRAG SPECIALTIES 8.8 mm Plug Wires - '04-'06 XL SPW15-DS
DRAG SPECIALTIES
$30.98Reliable ignition is non-negotiable in high-performance riding. These Drag Specialties plug wires are engineered to withstand the extreme heat cycles of your '04-'06 Sportster, delivering consistent spark delivery when it matters most. Built in the USA...21040185- SKU:
- 21040185
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- WIRE LENGTH IMPERIAL:
- 20'
- PRODUCT NAME:
- WIRE
- WIRE DIAMETER:
- 8.8 MM
$30.98 -
DRAG SPECIALTIES 8.8 mm Plug Wires - '86-'03 XL SPW8-DS
DRAG SPECIALTIES
$32.05Reliable ignition is non-negotiable in high-performance applications, and inferior plug wires invite misfires, fouled plugs, and lost power. These DRAG SPECIALTIES wires deliver consistent spark delivery across the entire RPM range while handling the...21040143- SKU:
- 21040143
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- TYPE:
- SPARK PLUG
- WIRE LENGTH IMPERIAL:
- 20'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- WIRE LENGTH IMPERIAL:
- 7'
- WIRE DIAMETER:
- 8.8 MM
$32.05 -
DRAG SPECIALTIES 8.8 mm Plug Wires - '09-'16 FLHT DS-SPW17
DRAG SPECIALTIES
$34.19Reliable ignition is non-negotiable in high-performance applications, and factory plug wires often fail under sustained heat and electrical stress. Drag Specialties' 8.8mm wires are engineered specifically for Harley-Davidson touring models, delivering...21040227- SKU:
- 21040227
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- PRODUCT NAME:
- WIRE
- WIRE LENGTH IMPERIAL:
- -
- TYPE:
- SPARK PLUG
- COLOR/FINISH:
- BLACK
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
- WIRE DIAMETER:
- 8.8 MM
$34.19 -
DRAG SPECIALTIES 8.8 mm Plug Wires - '00-'15 Softail SPW13-DS
DRAG SPECIALTIES
$28.84Reliable ignition is non-negotiable on the dyno or the street. Drag Specialties' 8.8mm plug wires are engineered to handle the thermal demands of high-revving Softail engines, with silicone construction throughout that resists heat degradation and...21040148- SKU:
- 21040148
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- WIRE DIAMETER:
- 8.8 MM
- TYPE:
- SPARK PLUG
- WIRE LENGTH IMPERIAL:
- 20'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- PRODUCT NAME:
- WIRE
- WIRE LENGTH IMPERIAL:
- 7'
$28.84 -
DRAG SPECIALTIES 8.8 mm Plug Wires - '85-'96 FL SPW6-DS
DRAG SPECIALTIES
$28.84Reliable ignition is non-negotiable in high-performance applications, and deteriorating plug wires compromise both power delivery and engine stability. DRAG Specialties 8.8mm wires are engineered for extreme conditions, delivering consistent spark with...21040141- SKU:
- 21040141
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- PRODUCT NAME:
- WIRE
- WIRE LENGTH IMPERIAL:
- 17-1/2'
- TYPE:
- SPARK PLUG
- COLOR/FINISH:
- BLACK
- UNITS:
- PAIR
- WIRE LENGTH IMPERIAL:
- 6-1/2'
- RIDING STYLE:
- STREET
- WIRE DIAMETER:
- 8.8 MM
$28.84 -
DRAG SPECIALTIES 8.8 mm Plug Wires - '85-'99 Softail SPW5-DS
DRAG SPECIALTIES
$29.91Reliable ignition is non-negotiable when you're pushing your Softail to the limit. These Drag Specialties plug wires handle extreme under-hood temperatures without degradation, ensuring consistent spark delivery and eliminating misfires that cost you...21040140- SKU:
- 21040140
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- PRODUCT NAME:
- WIRE
- WIRE LENGTH IMPERIAL:
- 17'
- WIRE LENGTH IMPERIAL:
- 7'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- TYPE:
- SPARK PLUG
- WIRE DIAMETER:
- 8.8 MM
$29.91Qty in Cart: 0Quantity:Price:$29.91Subtotal: -
DRAG SPECIALTIES Spark Plug Wires - Square Coil 19-0380/1-W
DRAG SPECIALTIES
$21.35Reliable spark plug wires are the backbone of consistent ignition timing and engine performance. OEM wires degrade over time, leading to misfires, rough idle, and lost horsepower—especially critical in high-RPM racing applications. DRAG Specialties...21040220- SKU:
- 21040220
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- SET
- WIRE DIAMETER:
- 8.8 MM
- WIRE LENGTH IMPERIAL:
- 21-1/2'
- TYPE:
- SPARK PLUG
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- WIRE LENGTH IMPERIAL:
- 12-1/2'
$21.35 -
SUMAX 10.4 mm Spark Plug Wire - '80-'98 XL/FLT - Blue 49633
SUMAX
$59.95SUMAX 10.4mm spark plug wires deliver the same reliable ignition performance as their 8mm counterparts, but with the aggressive visual presence that commands attention in any engine bay. Built for Harley-Davidson XL and FLT models from 1980–1998, these...DS242119- SKU:
- DS242119
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MODEL:
- 409 PRO RACE
- WIRE LENGTH:
- 51 CM (20')
- COLOR/FINISH:
- BLUE
- WIRE LENGTH IMPERIAL:
- 20'
- RIDING STYLE:
- STREET
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- WIRE LENGTH IMPERIAL:
- 9-1/2'
- PRODUCT NAME:
- WIRE
- WIRE DIAMETER:
- 10.4 MM
- WIRE LENGTH:
- 241 MM (9-1/2')
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
SUMAX 10.4 mm Spark Plug Wire - '65-'99 FX/FL - Red 49231
SUMAX
$59.95If you're running a classic FX/FL Harley and want ignition reliability that matches your bike's attitude, SUMAX 10.4mm spark plug wires deliver consistent spark delivery with the aggressive stance that suits your build. The larger diameter gives your...DS242005- SKU:
- DS242005
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- WIRE LENGTH:
- 40,5 CM (16')
- MODEL:
- 409 PRO RACE
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- WIRE DIAMETER:
- 10.4 MM
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- WIRE LENGTH IMPERIAL:
- 16'
$59.95Qty in Cart: 0Quantity:Price:$59.95Subtotal: -
SUMAX Spark Plug Wires - Blue 20634
SUMAX
$41.95Stock spark plug wires are a common source of ignition loss and heat damage under performance driving conditions. The SUMAX Spiro-Pro core delivers significantly lower resistance than carbon-core alternatives, which translates to cleaner spark delivery,...21040074- SKU:
- 21040074
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- CONNECTOR ANGLE:
- -
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- WIRE DIAMETER:
- 8 MM
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- ATV
- WIRE LENGTH IMPERIAL:
- 21'
$41.95Qty in Cart: 0Quantity:Price:$41.95Subtotal: -
MAGNUM Spark Plug Wires - Black Pearl - XL 3043K
MAGNUM
$77.95Reliable spark delivery is non-negotiable in high-performance applications, and inferior ignition wires introduce resistance, heat degradation, and timing inconsistencies that rob your engine of power. The MAGNUM Spark Plug Wires eliminate these...21040133- SKU:
- 21040133
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- SILICONE
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- CONNECTOR ANGLE:
- 90°
- WIRE DIAMETER:
- 8 MM
- WIRE LENGTH IMPERIAL:
- 7-1/4'
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- WIRE LENGTH IMPERIAL:
- 20-1/4'
- CONNECTOR ANGLE:
- STRAIGHT
$77.95Qty in Cart: 0Quantity:Price:$77.95Subtotal: -
MAGNUM Braided Spark Plug Wire - 07+ XL - Polished 3043S
MAGNUM
$79.95Factory ignition systems demand reliable spark delivery, and factory wire doesn't always cut it in high-performance applications. The MAGNUM Braided Spark Plug Wire delivers OE-spec performance with upgraded materials and construction that eliminate EMI...21040134- SKU:
- 21040134
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- MATERIAL:
- SILICONE
- RIDING STYLE:
- STREET
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- PRODUCT NAME:
- WIRE
- WIRE LENGTH IMPERIAL:
- 20-1/4'
- CONNECTOR ANGLE:
- 90°
- WIRE DIAMETER:
- 8 MM
- COLOR/FINISH:
- STAINLESS STEEL
- CONNECTOR ANGLE:
- STRAIGHT
- WIRE LENGTH IMPERIAL:
- 7-1/4'
$79.95 -
MAGNUM Spark Plug Wire Set - Red - Softail '18+ 3047T
MAGNUM
$98.95Reliable ignition delivery is the foundation of consistent engine performance, and factory spark plug wires often degrade under heat and vibration. The MAGNUM Spark Plug Wire Set eliminates misfire risk and ensures precise spark timing across all RPM...21040347- SKU:
- 21040347
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- UNITS:
- EACH
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- IGNITION WIRES
- RIDING STYLE:
- STREET
$98.95Qty in Cart: 0Quantity:Price:$98.95Subtotal:
