Classic Thunder Indian 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 450º 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”.

“Old School Looks w/ Modern Technology”

These wires are 7mm Black Silicone covered in our vintage braided cloth. They feature synthetic jacketing that resists heat, oil, and abrasion. A combination of Kevlar Helically Spiral Wound Core, at 350 ohm per foot resistance, delivers greater spark energy. It also improves power, idle, and fuel efficiency! Our cloth jacket is rated at 450° F.


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