Would You Trust These New Champion Spark Plugs?

Mike69cuda said

How does an average guy test spark plugs?

Click to expand...

just hold one in your hand and see how far up your arm tingles.

all kidding aside, i like this one:



here's the link

https://www.motionpro.com/product/08-0122
besides visual confirmation (big bright blue snapping spark) it also allows for testing the strength by opening the gap.