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

High-performance spark plug wire kit engineered for serious tuning and dependable ignition. 🔧⚡

• Designer wire sets in distinctive, highly visible colors for easy routing and identification.
• Precut with plug and coil boots plus terminals already installed for fast, accurate installation.
• Boots and wires are made from extra-high-temperature silicone, providing heat protection up to 600°F.
• Spiro-Pro core delivers up to ten times the conductivity of standard carbon-core wires for stronger spark transfer.
• Low resistance construction runs cooler and lasts three to four times longer than carbon-core alternatives.
• Designed for electronic ignitions while remaining compatible with point-type systems.
• Made in the USA for consistent quality and performance.