Unbranded
MSA Spark Plug Mica MASSA Vintage Made in England - Collectors Plugs
£23.99
Lowest price we found
£1.13
This brass spark plug thumb nut has M4 threads and a 5/16" diameter. It is an exact replica of the thumb nut used on early Champion spark plugs.
It fits modern Bosch, Champion, Denso and NGK 14 mm and 18 mm spark plugs.
At a glance
Price at the shop, last 76 days
The price has stayed at £1.13 since 19 August.