

You can purchase bulk wire and the applicable terminals and boots to create your spark plug wires from scratch, or you can buy the universal semi-terminated kits offered by many manufacturers that come terminated at the spark plug end and all you have to do is cut the wire to length at the distributor cap end and install the appropriate terminal. If you need to replace the spark plug boot, youll need to detach it where it connects to the spark plug wire. It is this very reason we highly recommend building your own custom spark plug wires. This is especially true if you are deviating from the factory plug wire routing (going around the valve cover now instead of over it for example). Sure, they'll fit, but they may not have just the wire length you're looking for to produce a clean installation. While many people will decide to simply buy pre-terminated plug wire kits that say they fit a specific year range of Ford or GM engines, the truth of the matter is, these wire kits are semi-universal. If you have trouble holding onto the plug, you can buy. You have to do it by hand or you run the risk of starting the plug crooked and ruining the threads on the plug or the threads in the spark plug hole in the engine. You may need to pull rather hard to release the inner clamp of the spark. Carefully begin threading the spark plug into the engine by hand, turning it clockwise. Pull the spark plug wire from the end of the spark plug. You need to ensure that no debris can fall into the engine when you remove the spark plug. Clean the area around the installed spark plug with the can of compressed air.

You've put a lot of time, money, and effort into building a powerful engine for your project and now that it's down on the mounts and you're getting everything wired up it is time to consider your ignition system and running new plug wires. Changing a Kohler 25 HP Engine Spark Plug.
