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Indian Inline 4 (1934-1942). Indian Scout (1934-1937). Indian Sport Scout (1934-1942). NGK B-7C spark plugs. Indian Chief (1934-1948, 1950-1953). NGK B-7C Plug Replaces Accel 123, Autolite 303 and Motocraft AS4CF4.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.