A spark plug thread chaser isn't always the answer, but it can make a big difference when you're installing fresh new plugs.

Insert technology has been applied to carbide thread chasers. The need for carbide thread chasers grew as screw machine operators turned to new, harder materials to meet their customers' needs. Now, ...

Add Yahoo as a preferred source to see more of our stories on Google. But spark plugs live in harsh environments. Not only do they see massive changes in temperature, but schmutz tends to accumulate ...