Part Description
Fits all high compression 1927-1952 45CI, 1927-1947 61CI, 1927-1948 74CI, 1927-1947 80CI, and 1953-1954 Servi-Car, Champion D-16, 6-pack (OEM 32302-09 or the No. 3 spark plug). Also replaces the OEM 32304-09 or No. 2 spark plug as the D-16 covers a wider heat range.
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.
