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Champion® 404 RN12YC Copper Spark Plug for V-Twins - Replacement for OEM# 5R6A on 1984-2000 Evolution and 1975-1980 Shovelhead (1200cc) Harley Motors - MADE IN USA - Billet Proof Designs
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Champion® 404 RN12YC Copper Spark Plug for V-Twins - Replacement for OEM# 5R6A on 1984-2000 Evolution and 1975-1980 Shovelhead (1200cc) Harley Motors - MADE IN USA - Billet Proof Designs
Amazon.com: Champion RN12YC (404) Copper Plus Replacement Spark Plug, (Pack of 1): Automotive
SparkPlugs.com: RN12YC $2.39 Champion 404 Spark Plug - Best Car SparkPlug Replacement
Champion - 404 - Copper Plus Resistor Spark Plugs, RN12YC - Box 4 for sale online | eBay
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CHAMPION SPARK PLUGS Copper Plus Small Engine Spark Plug 404, Type RN12YC | West Marine
Amazon.com: Champion RN12YC (404) Copper Plus Replacement Spark Plug, (Pack of 1): Automotive