I am going to go with the NGK's what is the best for stock application ur5 ur6 ur6ix I am almost completely stock other than ATR exguast and homemade cold-air intake!
I went with the ur6ix (7348) is the pn can't gap em is the only problem. but they are set at .37 any way don't know if thats a bad or good thing being gapped that high. Idles better. http://www.sparkplug.com
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