Best Spark plugs?

Mongler07 said:

a spark is a spark, as long as the gap is correct. The difference is the heat range so unless you are running some serious performance, it won't matter. Service is well under the life of both and the working heat index just means a stronger spark at a higher compression/tune. If you are stock, its NOT going to matter. BOTH are within spec.
WHAT DOES matter is the coils. I suggest you upgrade to the overhead coil packs MOD.

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Gerald said:

Don't believe that's correct, if everything was equal, they wouldn't produce different heat ranges. I wouldn't do it, I'd wait for same heat range, buy from several suppliers if I had to. To Turbo200R4's point don't think it would take anywhere near 10,000 miles to read distinct differences. I agree to the coil over plug modification is worth doing, but I'd buy an extra one or two for spares.

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Gerald said:

Don't believe that's correct, if everything was equal, they wouldn't produce different heat ranges. I wouldn't do it, I'd wait for same heat range, buy from several suppliers if I had to. To Turbo200R4's point don't think it would take anywhere near 10,000 miles to read distinct differences. I agree to the coil over plug modification is worth doing, but I'd buy an extra one or two for spares.

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Kevin frazier said:

Hey can you snap a picture of the initial signature of the guy that did your pin stripes since you got seat off? Its on the edge, exhaust side, where seat would touch, above rear tank bolt to right of bolt. Thanks

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