Performance Spark Plugs??
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Originally Posted by Sun Diego CL-S
why? how much can it cost for one of those IK20? then there's probably no difference but in price from other NGKs. unless your're running FI or NO2 as mentioned before.
Stock plugs are fine. No need to change them unless you are spraying or boosting. And Denso IK22 plugs are pretty cheap IMO. You can get them online/eBay for around $50.
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