Are williams spark plugs the same size as 1.4rt plugs????

[Patrick_g46]

i have a the right sized socket to remove rt plugs but just wondered if this will fit williams plugs aswell????

[FincH]

Plugs are a standard size non?

[Patrick_g46]

Plugs are a standard size non?

not sure but i think they are the same as i checked my 2 spark plug sockets and 1 is small and the other is mahoosive,

[BRUN]

yes they are the same size, but not the same part number