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Spiro-Pro 8mm Universal Spark Plug Wires

Spiro-Pro 8mm Universal Spark Plug Wires fit most motorcycles, they’re an affordable high performance option that work with electronic or points ignitions

California Residents:

We regret that we are unable to ship to California at this time. 



Spiro-Pro 8mm Universal Spark Plug Wires will easily fit most makes, years and model motorcycles. Likewise, you can use these wires with electronic or points ignitions. Spiro-Pro 8mm Universal Spark Plug Wires include: (2) 36″ leads w/ molded on plug boots & loose 180 degree Evo style coil boots and terms. Spiro-Pro 8mm Universal Spark Plug Wires can be cut to your required length.


  • Spiro-Pro 8mm Universal Spark Plug Wires are the top choice of racers and enthusiasts due to its affordable value and overall high performance features.
  • Two-layers 100% silicone inner core and outer jacket keeps the wires flexible and protect heat up to 600º F.
  • Spiro-Pro wire consists of a high conductive spiral wound core with a Stainless Steel plug wire, which is covered with a fluorocarbon conductive material.
  • Spiro-Pro 8mm Universal Spark Plug Wires features 350 ohms per foot resistance. Hence, it provides more fire power to the spark plugs than OEM resistor core wires. It also offers up to 10 times less resistance than standard resistor core wires.
  • These plug wires eliminate radio frequency interference (RFI). Therefore are recommended for use along with a multi spark discharge, electronic ignition systems and other electronic components.
  • Another noteworthy feature is the EXCLUSIVE low profile 100% silicone PRO COMP BOOTS® with vibration proof Stainless Steel double spring locking spark plug terminals.

NOTES: Yamaha Road Star Models require 2 sets – For use with Dyna Coils Not compatible with factory coils


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