Title: E 3 sparkplugs are the worst.
Product review: Hi if you are consindering changing to this plug please dont they are junk, they caused missfire,blew out a plug boot and cost me $179.00 to find this problem. I contacted E3 they said it was not caused by their plug. I had AC delco plugs installed and have no problems. DO NOT WASTE YOUR MONEY THEY STINK. The warrenty just covered the cost of the plugs I am out almost $200.00.
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