Spark Plug Champion L86C - 14mm / Set of 2L86C*2 BS-1151*2
Spark Plug Champion L86C. NGK B5HS. B6HS. Set of 2
BSA A7/A10 - Iron Head Twins
WM20 up to 1949 -Iron Head for 14mm
BSA Bantam -D1-D14
fitted to most iron head motorcycles with 14 mm
M20 and 16H owners, please check the size of your spark plug, as it can be 14 mm or 18 mm.
If 18 mm order spark plug D9 or D14
B31, B33 singles. Triumph 3T, 5T, 6T, iron heads twins. Norton iron head Twins and singles 1946 on with short reach. Ajs/matchless iron head singles 1937-on.