SUMAX 409 Pro Race Custom-Fit Spark Plug Wire Kit — 10.4 mm, Blue – 19-20 Softail, 17-24 Touring, 17-20 Trike, 17-20 CVO

Designer plug wire sets come in distinctive, highly visible colors for quick identification. 🎨

Precut and supplied with plug and coil boots and terminals already installed for fast, accurate installation.

Boots and wires are made from extra-high-temperature silicone, offering protection up to 600°F.

The Spiro-Pro core provides up to ten times the conductivity of a standard carbon-core wire, improving performance and reducing heat.

Low resistance design helps the wires run cooler and last three to four times longer than carbon-core alternatives.

Designed for electronic ignitions but also compatible with point-type systems. 🇺🇸

Made in the USA.