Spark plug Champion N4C Set of 2
N4C*2 BS-1153*2Spark plug Champion N4C
Set of 2
Triumph 350, 500, 650 with Alloy head. BSA Twins with Alloy head. Ajs/Matchless Twins and Singles with Alloy head. Many other makes with long reach Alloy head.
BSA A7/A10 - Aloy Head
all AJS/Matchless
Alloy Head Model
1950-1966
Thread: 14mm
=NGK B6ES.B5ES
