Sumax Pro 8.2mm Motorcycle Spark Plug Wire sets

All new tooling for this models had to be done as customers complained about the Indian stock wires poor plug boot fitment. Our new Indian wires will be made with our Thundervolt 50 core for the best performance.

Sumax has been in business for over 35 years bringing you the latest, state of the art, 100% Made in the U.S.A. Spark Plug Wires and Battery Cables. Over the years, we have seen the transition in technology from the early metallic and carbon cores to Spiro-Pro cores. Using the Spiro-Pro core, we achieve ten times the firepower while still offering protection for your bike’s computer and electronics. Spiro-Pro features a two-layer, 100% silicone jacket to withstand temperatures up to 600º F. Each wire is terminated to a specific length and features Taylor’s exclusive, 100% Silicone low profile PRO Comp BOOTS®. Our spark plug boots are designed with Resistors for a tight fit. They are vibration proof and have double spring locking spark plug terminals for a secure connection. Now, more than ever, you have countless choices to achieve a great custom look with professional performance. Sumax calls it, “Performance with Color”.

These are the absolute Best Spark Plug Wires your money can buy! All wires fire intermittently no matter what coil or ignition you may have. This causes  carbon build up on your plugs. ThunderVolts, with 40 ohms of resistance, have a solid stream of fire power resulting in more horsepower and more mileage. Your bike will start and run better than ever before!

• 40 Ohm/ft. Ferrite Spiral-Wound coated core blend of exclusive copper/nickel alloy bonded by a conductive acrylic cover.
• Taylor’s Ferrite Spiral-Wound core provides low resistance for optimum RFI and EMI suppression and is compatible with most Ignition Systems and electronic components.