Part Description
Fits 1975-1984 Shovelhead, 1984-2000 Evolution Big Twin and S&S SH-, S&S P-, S&S KN-Series, S&S 3 5/8" and S&S 4" bore engines, Champion RN12YC, 10-pack (OEM 32342-04)
Text excerpt from the catalog:
These Champion spark plugs are the correct heat range for Harley-Davidson, Buell, Indian and Victory, as well as all S&S and Ultima engines.