Originally Posted by
houston
That nosram plug looks very os plugish , RB plugs were made by novarossi , not 100% sure if they still are but I would venture to guess that they are so no issues there .
Odonnell plugs are the same as nova plugs
monty,
unfortunately i can't find any OD plugs here, the shop owner did mention this RB plug is made by Nova, i am asking for double confirmation as i am afraid the wrong thread might ruin a good button head...