Harley Davidson Motorcycle Spark Plug Wires

Motorcycle Ignition & Spark Plug Wires
  • SumaX® - Classic Thunder Braided Cloth Spark Plug Wires
    SumaX®Classic Thunder Braided Cloth Spark Plug Wires (C20431)
    0
    # mpn4528634746
    Classic Thunder Braided Cloth Spark Plug Wires by SumaX®. Finish: Yellow. Tracer Color: Black/Red. A combination Helically Spiral Wound Core at 350 ohm per foot resistance delivers greater spark energy, while improving power, idle, and...
    Old School Cool with Modern TechnologyWith a Lifetime Warranty
    $40.96
  • SumaX® - Classic Thunder Braided Cloth Spark Plug Wires
    SumaX®Classic Thunder Braided Cloth Spark Plug Wires (C20031)
    0
    # mpn4528634744
    Classic Thunder Braided Cloth Spark Plug Wires by SumaX®. Finish: Black. Tracer Color: Blue. A combination Helically Spiral Wound Core at 350 ohm per foot resistance delivers greater spark energy, while improving power, idle, and fuel...
    Old School Cool with Modern TechnologyWith a Lifetime Warranty
    $40.96
  • SumaX® - Spiro Pro "Milwaukee 8" Plug Wire Set
    SumaX®Spiro Pro "Milwaukee 8" Plug Wire Set (20038)
    0
    # mpn4528634878
    Spiro Pro "Milwaukee 8" Plug Wire Set by SumaX®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...
    Designed to provide necessary resistance for electronic ignitionFerro-magnetic inner core provides 10x the fire power of carbon core wires
    $58.53
  • SumaX® - Spiro Pro 8mm Spark Plug Wires
    SumaX®Spiro Pro 8mm Spark Plug Wires (30108B)
    0
    # mpn4654888318
    Spiro Pro 8mm Spark Plug Wires by SumaX®. This high performance ignition module provides your plugs with more spark over the stock module. The solid state electronics provide high coil out put and superior reliability. The Dwell control...
    Designed to provide unrivaled value and maximum reliabilityExpertly crafted from the highest grade materials
    $56.60
  • Twin Power® - Ignition Wire Set
    Twin Power®Ignition Wire Set (TP234B)
    0
    # mpn4550589007
    Ignition Wire Set by Twin Power®. V-Twin motorcycles are the heart and soul of America's motorcycle industry. There's no better way of showing the pride you put into your motorcycle than by using American made parts. This top-grade...
    Twin Power ignition leads are 8.65 mm thick with 500 Ohms/ft. of resistanceThe core of these leads are made with Kevlar™ reinforced by fiberglass strands for additional strength
    $24.94
  • Twin Power® - Ignition Wire Set
    Twin Power®Ignition Wire Set (TP233B)
    0
    # mpn4550588965
    Ignition Wire Set by Twin Power®. V-Twin motorcycles are the heart and soul of America's motorcycle industry. There's no better way of showing the pride you put into your motorcycle than by using American made parts. This top-grade...
    Twin Power ignition leads are 8.65 mm thick with 500 Ohms/ft. of resistanceThe core of these leads are made with Kevlar™ reinforced by fiberglass strands for additional strength
    $27.56
  • Moroso® - Spiral Core Wire Set
    Moroso®Spiral Core Wire Set (27396)
    0
    # mpn4642523388
    Spiral Core Wire Set by Moroso®. With this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is specifically engineered to make your vehicle run better. If you...
    Complete, ready-to-install sets available for your specific engine applicationEach wire is individually teste­d for continuity and resistance after termination to ensure race-ready performance
    $22.99
  • SMP® - Plug Wire Set
    SMP®Plug Wire Set (MC-SPW8)
    0
    # mpn4550958526
    Plug Wire Set by SMP®. Size: 8 mm. Triple silicone 8 mm motorcycle spark plug wire sets. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level...
    O.E.M. style terminalsDesigned specifically for motorcycle applications
    $24.90
  • SMP® - Plug Wire Set
    SMP®Plug Wire Set (MC-SPW6)
    0
    # mpn4550958524
    Plug Wire Set by SMP®. Size: 8 mm. Triple silicone 8 mm motorcycle spark plug wire sets. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level...
    O.E.M. style terminalsDesigned specifically for motorcycle applications
    $24.90
  • SMP® - Plug Wire Set
    SMP®Plug Wire Set (MC-SPW12)
    0
    # mpn4550958520
    Plug Wire Set by SMP®. Size: 8 mm. Triple silicone 8 mm motorcycle spark plug wire sets. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level...
    O.E.M. style terminalsDesigned specifically for motorcycle applications
    $46.54
  • SumaX® - Fire Power Plug Wires
    SumaX®Fire Power Plug Wires (S92231)
    0
    # mpn4528634849
    Fire Power Plug Wires by SumaX®. Finish: Black. All wires fire intermittently no matter what coil or ignition you may have. That is why you see carbon on your plugs. SumaX 9 mm Firepower wires provide a solid stream of fire power...
    With a Lifetime WarrantyMade to rigorous quality standards
    $54.30
  • SumaX® - Spiro Pro 8mm Spark Plug Wires
    SumaX®Spiro Pro 8mm Spark Plug Wires (30238B)
    0
    # mpn4620364242
    Universal Spiro Pro 8mm Spark Plug Wires by SumaX®. This high performance ignition module provides your plugs with more spark over the stock module. The solid state electronics provide high coil out put and superior reliability. The...
    Designed to provide unrivaled value and maximum reliabilityExpertly crafted from the highest grade materials
    $56.60




Shop By Service Type

A motorcycle ignition system comprises a set of parts which are critical for starting your bike. Spark plug wires provide a link between the vital components as they transport electrical power from the coil to the spark plug. These wires need to function properly to ensure normal engine operation. A number of motor problems may arise if they are faulty. The symptoms associated with the malfunction of these components include rough idle, hesitation, reduced power, and surging. Although the wires are rather durable, their continual exposure to temperature extremes may cause damage to rubber insulation.

When inspecting these wires on your bike, make sure that the engine is off. Considering the high voltage going through them when the motor is running, you may have a serious jolt through the broken insulation. Some Harley Davidson riders tend to change their spark plug wires for better looks or increased performance. However, owners should be careful, because performance wires sometimes lead to faulty codes appearing on a computer. If you need reliable replacements for your bike, look no further. We carry a diverse collection of Harley Davidson motorcycle spark plug wires manufactured to be strong, durable, and resist extreme vibrations.

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