waste spark ignition in my Jeep

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Mar 21, 2004
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I am going to replace the plugs on my Jeep. Looks like I can get a boot (with spring) kit (one per cylinder) pretty cheap. Is this worth replacing? The vehicle has 160K but the engine has only 60K, unsure if they were replaced during engine swap.
 
It cant hurt. The boots are getting old and might not be as tight as they once were.
For $12 the Denso kit looks like a good buy.
 
Make sure to not use a single platinumn plug. They will not work in it.

The best plug is the app985 from autolite. Regular copper plugs also work but they wear out quickly.
 
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