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

Designer plug wire sets in distinctive, highly visible colors for fast identification and a custom look.

Precut with plug and coil boots and terminals preinstalled for straightforward installation.

Boots and wires are molded from extra-high-temperature silicone to resist heat up to 600°F.

Spiro-Pro core delivers up to ten times the conductivity of standard carbon-core wire.

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

Optimized for electronic ignition systems, while remaining fully compatible with point-type ignitions.

Manufactured in the USA to strict quality standards.