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Champion Spark Plugs. RN12YC, Pack of 24 for Harley-Davidson
92.24 €
(5R6A). 14mm thread, long reach. Dealer workshop package. Used with 21mm spark plug socket. Replaces RA6HC and also replaces 32310-77 (5R6A/5A6).
Compatible with: > 75-E82 FL; 75-79 FX; 84-99 Evo Big Twin