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ThunderVolt 8.2mm High Performance Universal Spark Plug Wires (Kit)

SPIRO-PRO OUT PERFORMS THE COMPETITION IN BOTH LOOKS AND PERFORMANCE!

Sumax 8mm Spark Plug Wire sets come in a variety of colors. Our Custom Set Wires are designed for your specific year and model Harley Davidson® motorcycle. You can use these wires with electronic or points ignitions. As a result our Spiro Pro wires are compatible with all Harley Davidson® ignitions. If you have an aftermarket ignition, please check with manufacturer’s ohm requirement. For very high ohm ratings you can use our Carbon Core wire sets. For magnetos and points you can use our wire (metallic) core wire sets.

  • Spiro-Pro 8mm Wire is the top choice of racers and enthusiasts due to its affordable value and overall high performance features.
  • Spiro-Pro’s two-layer 100% silicone inner core & outer jacket keeps the wires flexible for the life of your vehicle maintaining its vibrant color with heat protection to 600º F.
  • Taylor Cable’s Spiro-Pro wire consists of a high conductive spiral wound core with a Stainless Steel wire and covered with a fluorocarbon conductive material.
  • Spiro-Pro features 350 ohms per foot resistance which provides more fire power to the spark plugs than OEM resistor core wires and has up to 10 times less resistance than standard resistor core wires.
  • Spiro-Pro eliminates radio frequency interference (RFI) and is recommended when using a multi spark discharge, electronic ignition systems
    and other electronic components.
  • Features Taylor Cable’s EXCLUSIVE low profile 100% silicone PROBOOTS® with vibration proof Stainless Steel double spring locking spark plug terminals.
  • Choice of 11 vibrant colors in Universal Wire Sets; Black, Blue, Red, Purple, Yellow, Hot Orange, Hot Lime, Hot Pink, Teal, White and Grey.

Check out what Hot Bike Magazine says about our high performance motorcycle spark plug wires!

100% Made in USA

Sumax Cycle Products sells quality, durability, and reliable products. So, if your spark plug wires or battery cables ever break down, simply return them to us. We will replace them at no charge. We stand by our products for a lifetime.

As of August 31, 2018, we are Prop 65 compliant. https://www.p65warnings.ca.gov/

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