A single Champion RA8HC Spark Plug, featuring a metal base and white ceramic insulator, ideal for Harley-Davidson Twin Cam and Evolution Sportster models, is shown on a white background.

Champion RA8HC Spark Plugs for Harley-Davidson Twin Cam and Evolution Sportster

$37.62

SKU: 108-0064

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  • Low stock - 1 item left
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Champion RA8HC Spark Plugs for Harley-Davidson Twin Cam and Evolution Sportster

Whether it's time for a tuneup or you're troubleshooting an acute ignition problem, these Champion spark plugs will restore lost ignition performance.

  • Copper core
  • Zinc-plated shell for corrosion-resistance
  • Resistor for suppression of electromagnetic interference
  • Sold as a pack of eight
  • 1986-2022 Harley-Davidson Sportster (XL) with air-cooled engine
  • 1999-2017 Harley-Davidson Big Twin with Twin cam engine
  • 108-0064; replaces RA8HC, 6R12, 32317-86, 18036, 32-3510

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