8mm Pro Spark Plug Wires / M8

MetalCore Harley Supply Verified independent store

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Fits 18 - 21 Softail Models Precut and have the plug/coil boots and terminals already installed Boots and wires are made from extra-high-temperature silicon, which gives protection up to 600°F Spiro-Pro core provides up to 10 times the conductivity of a standard carbon-core wire Low resistance means they run cooler and last three to four times longer than carbon-core wires Made in the U.S.A. Show more