In a DIS system the platinum is there for a real reason, standard
plugs will not last long. It won't make much difference in a standard
system because the spark goes from the center to ground. In a DIS system
one cylinder fires center electrode to ground and the other plug fires
ground to center electrode. Without the platinum the system will burn up
a set of plugs in about 10,000 miles.
That being said I agree for standard engine types a good set of
RapidFires are the best out there.
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