Champion 14 Copper Spark Plug RJ12YC - 4 Pack

Champion Spark Plugs RA8HC fits Harley-Davidson 6R12 XL & Twin Cam 931615

NEW Champion 810 Copper Plus Spark Plug RA8HC - 4 Pack - Made in USA

Champion RG6YC (CR7EB) Spark Plug

Pack of 4 Champion RA8HC Spark Plugs Harley 88 & 95 Twin Cam '86 & up Sportster

AJS All Models (1947-1949 Cast Iron Head) Spark Plug - Champion L82C. Brand New.

Champion Spark Plug RA8HC (CCH810)

Champion Spark Plug RN1C/T10 (NGK REF BR10ES)