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Plug Wire

Plug Wire

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

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 10.4 mm Spark Plug Wire - '00-'17 ST - Black 40031

    SUMAX

    $54.95
    Same 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
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • SUMAX 10.4 mm Spark Plug Wire - '00-'17 ST - Red 40231

    SUMAX 10.4 mm Spark Plug Wire - '00-'17 ST - Red 40231

    SUMAX

    $54.95
    Same 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
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • SUMAX 10.4 mm Spark Plug Wire - '00-'17 FXST - Blue 40631

    SUMAX 10.4 mm Spark Plug Wire - '00-'17 FXST - Blue 40631

    SUMAX

    $54.95
    Same 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
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • SUMAX Spark Plug Wires - Black - FXR 77035

    SUMAX Spark Plug Wires - Black - FXR 77035

    SUMAX

    $36.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • SUMAX Spark Plug Wires - Black - FL 77031

    SUMAX Spark Plug Wires - Black - FL 77031

    SUMAX

    $36.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • SUMAX Spark Plug Wires - Black - FXST TC 20031

    SUMAX Spark Plug Wires - Black - FXST TC 20031

    SUMAX

    $36.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • SUMAX Spark Plug Wires - Red - FLT 20233

    SUMAX Spark Plug Wires - Red - FLT 20233

    SUMAX

    $36.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • SUMAX Spark Plug Wires - Blue - '70-'99 77631

    SUMAX Spark Plug Wires - Blue - '70-'99 77631

    SUMAX

    $36.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • SUMAX Spark Plug Wires - Blue - FXR 77635

    SUMAX Spark Plug Wires - Blue - FXR 77635

    SUMAX

    $36.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • SUMAX Spark Plug Wires - Blue - FLT 77633

    SUMAX Spark Plug Wires - Blue - FLT 77633

    SUMAX

    $36.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • SUMAX Universal Spark Plug Wire Kit - 135 degree - Black 76083

    SUMAX Universal Spark Plug Wire Kit - 135 degree - Black 76083

    SUMAX

    $36.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • SUMAX Universal Spark Plug Wire Kit - 90 degree - Black 76081

    SUMAX Universal Spark Plug Wire Kit - 90 degree - Black 76081

    SUMAX

    $35.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • SUMAX Universal Spark Plug Wire Kit - 90 degree - Red 76281

    SUMAX Universal Spark Plug Wire Kit - 90 degree - Red 76281

    SUMAX

    $35.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • SUMAX Universal Spark Plug Wire Kit - 90 degree - Blue 76681

    SUMAX Universal Spark Plug Wire Kit - 90 degree - Blue 76681

    SUMAX

    $35.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • SUMAX Universal Spark Plug Wire Kit - 180 degree - Black 76085

    SUMAX Universal Spark Plug Wire Kit - 180 degree - Black 76085

    SUMAX

    $35.95
    Designer 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
    Qty in Cart: 0
    Quantity:
    Price:
    $35.95
    Subtotal:
  • SUMAX 10.4 mm Spark Plug Wire - '65-'99 FX/FL - Blue 49631 SUMAX 10.4 mm Spark Plug Wire - '65-'99 FX/FL - Blue 49631

    SUMAX 10.4 mm Spark Plug Wire - '65-'99 FX/FL - Blue 49631

    SUMAX

    $54.95
    Same 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
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • SUMAX 10.4 mm Spark Plug Wire - '65-'99 FX/FL - Black 49031 SUMAX 10.4 mm Spark Plug Wire - '65-'99 FX/FL - Black 49031

    SUMAX 10.4 mm Spark Plug Wire - '65-'99 FX/FL - Black 49031

    SUMAX

    $54.95
    Same 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
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • SUMAX 10.4 mm Spark Plug Wire - '80-'98 FLT - Black 49033

    SUMAX 10.4 mm Spark Plug Wire - '80-'98 FLT - Black 49033

    SUMAX

    $54.95
    Same 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
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • SUMAX 10.4 mm Spark Plug Wire - '82-'94 FXR - Black 49035

    SUMAX 10.4 mm Spark Plug Wire - '82-'94 FXR - Black 49035

    SUMAX

    $54.95
    Same 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
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • SUMAX 10.4 mm Spark Plug Wire - '80-'98 FLT - Red 49233

    SUMAX 10.4 mm Spark Plug Wire - '80-'98 FLT - Red 49233

    SUMAX

    $54.95
    Same 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
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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