The Champion RN12YC Spark Plug, shown against a white background, is ideal for Harley-Davidson Shovelhead and Evolution engines. Brand: Champion.

Champion RN12YC Spark Plugs for Harley-Davidson Shovelhead and Evolution

$16.83

SKU: 108-0063

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Champion RN12YC Spark Plugs for Harley-Davidson Shovelhead and Big Twin Evolution

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 four
  • 1975-1998 Harley-Davidson Big Twin
  • For Shovelheads requiring long-reach plugs only
  • 108-0063; replaces RN12YC, 5R6A, 32311-83, 32-3500, 18033

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