If you're making your own spark plug wires you can do your best with the tools you have on hand but if you want to do it easy and do it right you're going to need a set of these Spark Plug Wire Crimpers. They make crimping the terminals to your wires a snap, giving you perfect crimp every time.
This multi tool can strip the end of your wire without damaging the core, while the ratcheting mechanism allows you to make a perfect crimp every time requiring only 50% of the normal hand strength.
