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  • $24.00 for a set of 8, while you can find them cheaper, is still a bargain. Considering that iridium spark plugs can sell for $8.00 or more per plug.
    Awesome! Thanks for the info. I was looking at the NGK plugs that came with the kit and I don't think they're even worth it to put in my car. 24$ for a set of 8? That's ridiculous!
    Until you create more than 16 PSI of boost, the stock spark plugs will be fine. An upper pulley setup alone will on be ~13 PSI.
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