Originally Posted by andrewwynn

If they are over 60,000-80,000 miles maybe else no reason. They usually last 120,000 or more with a spec of 100,000. Use only OEM equivalent when you do. I didn't and replaced those in 1/4 the distance of the first set (and chased misfire codes for a while not anticipating 25,000 mile plugs to be the cause)