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30-9 · 02-10-2020, 07:22 AM

Thanks Gents

I’m running stock heads. I think the guy in the store mistakenly gave me B4. I didn’t realize it until after install and running them over a week. What side affect will this have? Should I eat the $30 and replace?

02-10-2020, 07:22 AM	#4
30-9 Senior Member Join Date: Aug 2014 Location: MA Posts: 888	Re: NGK plugs Thanks Gents I’m running stock heads. I think the guy in the store mistakenly gave me B4. I didn’t realize it until after install and running them over a week. What side affect will this have? Should I eat the $30 and replace? __________________ Thanks - 30-9 1939, 1940