Spark plug thumb nut set
Spark plug thumb nut set

Spark plug thumb nut set

Black cotton braided spark plug leads with terminals Black cotton braided spark plug leads with terminals
Coloured braided spark plug leads Coloured braided spark plug leads
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£6.07

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Description

A set of four knurled brass thumb nuts, available with either an M4 thread or a UNC thread. The early Austin J40s had black bodied Champion spark plugs which have UNC threads and the later J40s were fitted with silver bodied Champion spark plugs which had M4 threads.

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