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
-
SUMAX 10.4 mm Spark Plug Wire - '00-'17 ST - Black 40031
SUMAX
$54.95Same features as the Sumax 8mm wires but larger (10.4mm) for that fat look, Made in the U.S.A.DS242171- SKU:
- DS242171
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MODEL:
- 409 PRO RACE
- WIRE LENGTH:
- 191 MM (7-1/2')
- WIRE LENGTH:
- 51 CM (20')
- WIRE LENGTH IMPERIAL:
- 20'
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- PRODUCT NAME:
- WIRE
- WIRE DIAMETER:
- 10.4 MM
- WIRE LENGTH IMPERIAL:
- 7-1/2'
$54.95 -
SUMAX 10.4 mm Spark Plug Wire - '00-'17 ST - Red 40231
SUMAX
$54.95Same features as the Sumax 8mm wires but larger (10.4mm) for that fat look, Made in the U.S.A.DS242174- SKU:
- DS242174
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- WIRE
- WIRE DIAMETER:
- 10.4 MM
- MODEL:
- 409 PRO RACE
- TYPE:
- SPARK PLUG
- WIRE LENGTH IMPERIAL:
- 20'
- WIRE LENGTH IMPERIAL:
- 7-1/2'
- COLOR/FINISH:
- RED
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- WIRE LENGTH:
- 191 MM (7-1/2')
- WIRE LENGTH:
- 51 CM (20')
$54.95 -
SUMAX 10.4 mm Spark Plug Wire - '00-'17 FXST - Blue 40631
SUMAX
$54.95Same features as the Sumax 8mm wires but larger (10.4mm) for that fat look, Made in the U.S.A.DS242186- SKU:
- DS242186
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- WIRE LENGTH IMPERIAL:
- 20'
- MODEL:
- 409 PRO RACE
- COLOR/FINISH:
- BLUE
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- WIRE DIAMETER:
- 10.4 MM
- WIRE LENGTH:
- 191 MM (7-1/2')
- WIRE LENGTH:
- 51 CM (20')
- WIRE LENGTH IMPERIAL:
- 7-1/2'
$54.95 -
SUMAX Spark Plug Wires - Black - FXR 77035
SUMAX
$36.95Designer plug wire sets come in distinctive, highly visible colors, Precut and have the plug/coil boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core...DS242142- SKU:
- DS242142
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- CONNECTOR ANGLE:
- 90°
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- UNITS:
- PAIR
- WIRE DIAMETER:
- 8 MM
- WIRE LENGTH IMPERIAL:
- 12'
- PRODUCT NAME:
- WIRE
- TYPE:
- SPARK PLUG
$36.95 -
SUMAX Spark Plug Wires - Black - FL 77031
SUMAX
$36.95Designer plug wire sets come in distinctive, highly visible colors, Precut and have the plug/coil boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core...DS242132- SKU:
- DS242132
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- CONNECTOR ANGLE:
- -
- TYPE:
- SPARK PLUG
- WIRE LENGTH IMPERIAL:
- 16'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- WIRE DIAMETER:
- 8 MM
$36.95 -
SUMAX Spark Plug Wires - Black - FXST TC 20031
SUMAX
$36.95Designer plug wire sets come in distinctive, highly visible colors, Precut and have the plug/coil boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core...DS242601- SKU:
- DS242601
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- TYPE:
- SPARK PLUG
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- WIRE DIAMETER:
- 8 MM
- CONNECTOR ANGLE:
- -
- WIRE LENGTH IMPERIAL:
- 19'
$36.95 -
SUMAX Spark Plug Wires - Red - FLT 20233
SUMAX
$36.95Designer plug wire sets come in distinctive, highly visible colors, Precut and have the plug/coil boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core...DS242613- SKU:
- DS242613
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- CONNECTOR ANGLE:
- -
- WIRE DIAMETER:
- 8 MM
- WIRE LENGTH IMPERIAL:
- 21-1/2'
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
$36.95 -
SUMAX Spark Plug Wires - Blue - '70-'99 77631
SUMAX
$36.95Designer plug wire sets come in distinctive, highly visible colors, Precut and have the plug/coil boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core...DS242349- SKU:
- DS242349
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLUE
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- WIRE DIAMETER:
- 8 MM
- CONNECTOR ANGLE:
- -
- TYPE:
- SPARK PLUG
- WIRE LENGTH IMPERIAL:
- 16'
$36.95 -
SUMAX Spark Plug Wires - Blue - FXR 77635
SUMAX
$36.95Designer plug wire sets come in distinctive, highly visible colors, Precut and have the plug/coil boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core...DS242352- SKU:
- DS242352
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- STREET
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- PRODUCT NAME:
- WIRE
- WIRE DIAMETER:
- 8 MM
- CONNECTOR ANGLE:
- 90°
- WIRE LENGTH IMPERIAL:
- 12'
$36.95 -
SUMAX Spark Plug Wires - Blue - FLT 77633
SUMAX
$36.95Designer plug wire sets come in distinctive, highly visible colors, Precut and have the plug/coil boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core...DS242354- SKU:
- DS242354
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- STREET
- TYPE:
- SPARK PLUG
- PRODUCT NAME:
- WIRE
- COLOR/FINISH:
- BLUE
- CONNECTOR ANGLE:
- STRAIGHT
- UNITS:
- PAIR
- WIRE DIAMETER:
- 8 MM
- WIRE LENGTH IMPERIAL:
- 21-1/2'
$36.95 -
SUMAX Universal Spark Plug Wire Kit - 135 degree - Black 76083
SUMAX
$36.95Designer plug wire sets come in distinctive, highly visible colors, Have the plug boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core provides up to 10...DS242358- SKU:
- DS242358
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MODEL:
- UNIVERSAL
- WIRE DIAMETER:
- 8 MM
- WIRE LENGTH IMPERIAL:
- 24'
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- COLOR/FINISH:
- BLACK
- CONNECTOR ANGLE:
- 135°
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
$36.95 -
SUMAX Universal Spark Plug Wire Kit - 90 degree - Black 76081
SUMAX
$35.95Designer plug wire sets come in distinctive, highly visible colors, Have the plug boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core provides up to 10...DS242030- SKU:
- DS242030
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- PRODUCT NAME:
- WIRE
- TYPE:
- SPARK PLUG
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
- WIRE DIAMETER:
- 8 MM
- CONNECTOR ANGLE:
- 90°
- MODEL:
- UNIVERSAL
- WIRE LENGTH IMPERIAL:
- 24'
$35.95 -
SUMAX Universal Spark Plug Wire Kit - 90 degree - Red 76281
SUMAX
$35.95Designer plug wire sets come in distinctive, highly visible colors, Have the plug boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core provides up to 10...DS242032- SKU:
- DS242032
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- CONNECTOR ANGLE:
- 90°
- WIRE LENGTH IMPERIAL:
- 24'
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- MODEL:
- UNIVERSAL
- WIRE DIAMETER:
- 8 MM
$35.95 -
SUMAX Universal Spark Plug Wire Kit - 90 degree - Blue 76681
SUMAX
$35.95Designer plug wire sets come in distinctive, highly visible colors, Have the plug boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core provides up to 10...DS242034- SKU:
- DS242034
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- COLOR/FINISH:
- BLUE
- RIDING STYLE:
- STREET
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- CONNECTOR ANGLE:
- -
- WIRE LENGTH IMPERIAL:
- 24'
- PRODUCT NAME:
- WIRE
- WIRE DIAMETER:
- 8 MM
$35.95 -
SUMAX Universal Spark Plug Wire Kit - 180 degree - Black 76085
SUMAX
$35.95Designer plug wire sets come in distinctive, highly visible colors, Have the plug boots and terminals already installed, Boots and wires are made from extra-high-temperature silicone, which gives protection up to 600°F, Spiro-Pro core provides up to 10...DS242040- SKU:
- DS242040
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- CONNECTOR ANGLE:
- STRAIGHT
- WIRE DIAMETER:
- 8 MM
- MODEL:
- UNIVERSAL
- WIRE LENGTH IMPERIAL:
- 24'
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
$35.95 -
SUMAX 10.4 mm Spark Plug Wire - '65-'99 FX/FL - Blue 49631
SUMAX
$54.95Same features as the Sumax 8mm wires but larger (10.4mm) for that fat look, Made in the U.S.A.DS242118- SKU:
- DS242118
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MODEL:
- 409 PRO RACE
- WIRE LENGTH:
- 43 CM (17')
- WIRE LENGTH IMPERIAL:
- 8'
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- WIRE DIAMETER:
- 10.4 MM
- WIRE LENGTH:
- 203 MM (8')
- WIRE LENGTH IMPERIAL:
- 17'
- COLOR/FINISH:
- BLUE
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
$54.95 -
SUMAX 10.4 mm Spark Plug Wire - '65-'99 FX/FL - Black 49031
SUMAX
$54.95Same features as the Sumax 8mm wires but larger (10.4mm) for that fat look, Made in the U.S.A.DS242001- SKU:
- DS242001
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MODEL:
- 409 PRO RACE
- PRODUCT NAME:
- WIRE
- WIRE DIAMETER:
- 10.4 MM
- WIRE LENGTH IMPERIAL:
- 17'
- UNITS:
- PAIR
- WIRE LENGTH IMPERIAL:
- 8'
- TYPE:
- SPARK PLUG
- WIRE LENGTH:
- 203 MM (8')
- WIRE LENGTH:
- 43 CM (17')
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$54.95Qty in Cart: 0Quantity:Price:$54.95Subtotal: -
SUMAX 10.4 mm Spark Plug Wire - '80-'98 FLT - Black 49033
SUMAX
$54.95Same features as the Sumax 8mm wires but larger (10.4mm) for that fat look, Made in the U.S.A.DS242002- SKU:
- DS242002
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- WIRE
- WIRE DIAMETER:
- 10.4 MM
- MODEL:
- 409 PRO RACE
- TYPE:
- SPARK PLUG
- WIRE LENGTH:
- 40,5 CM (16')
- WIRE LENGTH IMPERIAL:
- 16'
- COLOR/FINISH:
- BLACK
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
$54.95 -
SUMAX 10.4 mm Spark Plug Wire - '82-'94 FXR - Black 49035
SUMAX
$54.95Same features as the Sumax 8mm wires but larger (10.4mm) for that fat look, Made in the U.S.A.DS242004- SKU:
- DS242004
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- MODEL:
- 409 PRO RACE
- WIRE LENGTH:
- 254 MM (10')
- WIRE LENGTH IMPERIAL:
- 10'
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- WIRE DIAMETER:
- 10.4 MM
$54.95 -
SUMAX 10.4 mm Spark Plug Wire - '80-'98 FLT - Red 49233
SUMAX
$54.95Same features as the Sumax 8mm wires but larger (10.4mm) for that fat look, Made in the U.S.A.DS242011- SKU:
- DS242011
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- WIRE LENGTH IMPERIAL:
- 20'
- COLOR/FINISH:
- RED
- PRODUCT NAME:
- WIRE
- RIDING STYLE:
- STREET
- WIRE LENGTH:
- 51 CM (20')
- MODEL:
- 409 PRO RACE
- WIRE LENGTH IMPERIAL:
- 9-1/2'
- TYPE:
- SPARK PLUG
- UNITS:
- PAIR
- WIRE DIAMETER:
- 10.4 MM
- WIRE LENGTH:
- 241 MM (9-1/2')
$54.95