Motorcycle Spark Plug Wires
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Cloth Spark Plug Wires - 7mm Vintage Braided - Sold by Foot - Assorted Colors Available
Lowbrow Customs
From
$13.72
Spark Plug Wire Kits - Blue Explosion
FNA Custom Cycle
$62.00
7mm 90 Degree Spark Plug Wire Sets - Clear Translucent
Lowbrow Customs
$25.99
Spark Plug Wire Kits - Brown/Yellow/Orange Explosion
FNA Custom Cycle
$62.00

Brass Nuts & Nickel-Plated Ring Terminals for Spark Plug Wires
Lowbrow Customs
$18.88

7MM Universal Spark Plug Wire Set - 20 inch
Cycle Standard
$24.03
Spark Plug Wire Kits - Pink/Purple Explosion
FNA Custom Cycle
$62.00
Spark Plug Wire Kits - Ice Explosion
FNA Custom Cycle
$62.00
7mm Cloth 90 Degree Spark Plug Wire Sets - Satin Black
Lowbrow Customs
$25.99

Cloth Spark Plug Wire by the foot - 8mm - Assorted Colors
Lowbrow Customs
From
$33.17

Lucas Non-Resistor Type Spark Plug Cap
Cycle Standard
$10.23
Out of StockSAVE 20%

Vintage Style Rajah Terminals for Custom Spark Plug Wires
Cycle Standard
$15.97
8mm Cloth Straight Spark Plug Wire Sets - Black with Red tracers
Lowbrow Customs
$31.19
On SaleSAVE 20%
On SaleSAVE 20%
Lowbrow Customs Spark Plug Wire Set 1989-1999 Harley-Davidson FXST/FLST 1991-1998 FXD
Lowbrow Customs
$18.39
$22.99
On SaleSAVE 20%
Lowbrow Customs Spark Plug Wire Set 1999-2017 Harley-Davidson FXD 2000-2017 FXST/FXST
Lowbrow Customs
$18.39
$22.99

7mm Cloth 90 Degree Spark Plug Wire Sets - Black w/ Red Tracers
Lowbrow Customs
$25.99

Spark Plug Wire Separators - Chrome
Cycle Standard
$19.30
On SaleSAVE 27%
Spark Plug Wire Separators - Black
Cycle Standard
$13.95
$19.23
On SaleSAVE 20%

Spark Plug Wire Separators - Aluminum
Cycle Standard
$19.14
On SaleSAVE 20%

Lucas 5K Resisitor Type Spark Plug Cap
Cycle Standard
$10.28
#3259-1 Wire Clip 1924-1929 Harley-Davidson J/JD/DH 1930 VL/VC 1931-1932 Singles - Parkerized
Colony
$18.15
8.8 mm Spark Plug Wire Set - Universal
Drag Specialties
$34.27
Style & Spark: Custom Motorcycle Spark Plug Wires
Spark plug wires are a small detail that makes a huge impact. They're a critical part of your ignition system and a key styling element. A set of worn-out or incorrect plug wires can cause poor...
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Motorcycle Spark Plug Wires FAQ
What happens if I use the wrong type of spark plug wire?
Using the wrong wire can cause real problems. If you use copper core wires with a modern electronic ignition, the Radio Frequency Interference (RFI) they produce can interfere with your ignition's brain, causing poor performance or misfires. Conversely, using suppressor core wires on a vintage magneto ignition can result in a weaker spark, making the bike harder to start and run properly.
How do I know if I need 7mm or 8mm wires?
The size (7mm vs. 8mm) generally corresponds to the core type (copper vs. suppressor). The most important factor is choosing the correct core type for your ignition. If you have points or a magneto, choose 7mm copper core. If you have any type of electronic ignition, choose 8mm suppressor core.
Is making my own spark plug wires difficult?
Not at all! It's a very straightforward process. A universal spark plug wire kit includes the wire, terminals, and boots. You simply route the wire, cut it to the perfect length, strip a small amount of insulation, and crimp the terminal on. It's a skill that allows for a perfectly clean, custom fit every time.


