Originally Posted by dvw
Originally Posted by 340Cuda
Originally Posted by 80fbody
Learn something new all the time. Never knew you could separate the plug like that. Do you just twist them apart with some pliers?
You either get a tool or cut them apart on a lath. May be other ways, don't know.

https://nitrousoutlet.com/i-30560870-spark-plug-cutting-tool.html



5/8" hole saw without the drill bit cuts them easily.
Doug



iagree
available at most hardware stores, and no more than about $15, even if you have to buy the mandrel.
beer