OEM 32303-47A W&W Spark Plugs #3-4: Big Twin 1948-1974, KH+XL 1954-1978 12-012
Spark plug by Champion
fits Big Twin 1948-1974, KH+XL 1954-1978, Servi-car 1956-1973
steel / ceramic
thread: M14 x 1.25
thread length: 3/8 "
wrench size: 13/16 "
manufacturer-code: RJ12YC
replaces Harley-Davidson part number HD 32303-47A, 32305-48A, and 32301-60
gross weight: 60 g
![W&W Cycle]() 
          
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