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Champion Copper Plus Spark Plug (404) RN12YC Pair - Ignitions & Coils - Vulcanworks.net - American Made Parts for Harley Davidson Motorcycles
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Amazon.com: Champion Spark Plug RN12YC for Harley-Davidson Electra-Glide Classic FLHTC/I 1999 : Patio, Lawn & Garden
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Autolite® 4265 Copper Spark Plug for V-Twins - Replacement for OEM# 5R6A on 1984-2000 Evolution, 1975-1980 Shovelhead (1200cc) and 1978-1981 Shovelhead (1340cc) Harley Motors. - MADE IN USA - Billet Proof Designs
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