Features:

• 409 PRO RACE wires provide continuous heat protection up to 600 degrees fahrenheit.
• The 10.4mm wires deliver 102,000 volts dielectric strength.
• Spiral-Wound core with 350 ohms per foot resistance for EMI and RFI suppression delivers the maximum fire power without radio interference.
• Designed for use with electronic ignition systems found on Harley-Davidsons. They are 100% compatible with the Ion Sensing Knock Retard System used by Harley-Davidson.
• Low Profile 100% silicone PRO BOOTS feature vibration proof double spring locking spark plug terminals.
• Available in red and black
• Perfect for DK Custom coil and v-coil relocation kits.