How often do you plan on changing the spark plugs?..
Are you going to be driving 12k miles per year?..
I realize it's not completely wide open like the others, but it's not like it's gonna take an extra minute per plug to change.. You simply break it loose with the correct socket and then slip a piece of fuel line over the top of it and spin it out and put it back in the same way and just using the socket to snug it down very simple, not even worth this whole thread to think about....
(Get a car......)