10-10-15, 07:20 PM
ive not seen inside a broken spark plug but if it has a hole in it, get a torx bit of around the same size but a little bigger and hammer (gently) it into the hole and then unscrew it.
Torx bits are pretty good for most damaged screws and such because it has many edges to grip with.
Torx bits are pretty good for most damaged screws and such because it has many edges to grip with.