[Unique427]

Expanding on Tommy's post, spark plug removal with headers is a
source for some of the most creative garage swearing known to man.
Now add the force multiplier of Cobra construction where everything
is only 1/4" from everything else.

Picture shows a couple tools that help navigate that challenge.



Powerhouseproducts.com compact slotted spark plug sockets.
A slotted socket greatly reduces space required to engage the plug hex.
Slotting the socket is nothing new, just that these are really compact.
Sold as a set of two as shown in picture.

Disen Torque Wrench Extensions (3/8"drive).