Sumax S20231 8mm Red Spark Plug Wire Set for Harley-Davidson FXST Twin Cam

The Sumax S20231 8mm spark plug wire set features distinctive red silicone construction that adds custom style while delivering superior ignition performance for Harley-Davidson Softail models. These premium plug wires utilize Taylor Spiro-Pro core technology that provides up to 10 times the conductivity of standard carbon-core wires, resulting in cooler operation and a lifespan three to four times longer than conventional wires.

Key Features:

• 8mm red high-temperature silicone construction rated to 600°F
• Spiro-Pro core delivers superior conductivity and low resistance
• Precut with plug and coil boots and terminals pre-installed for easy installation
• Designed for electronic ignitions but compatible with point-type systems
• Made in the USA
• Sold as a pair

The low-resistance design helps your engine run cooler and smoother while providing the necessary resistance for electronic ignition systems. These custom-colored wires offer both functional performance upgrades and eye-catching appearance for Softail owners looking to enhance their motorcycle's engine bay aesthetics.