What made you choose this particular product?
Wanted more spark. It did seem to give more instant throttle response and higher RPP pulling power. Not a lot but noticeable. I did open the gap on the stock Toyota plugs from 0.35 to 0.40 for bigger spark. Installed it well over 25 years ago and not one problem and still working.
Is this your first time buying from this brand? Did you consider other brands?
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