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AnthonyG · 11-07-2019, 08:59 AM

I see a Champion spark plug that has a 14mm thread 5/8” reach on Summit Racing site. Posted as Racing Spark plug but looks midrange for Heat, thoughts? https://www.summitracing.com/parts/cpn-1001/

11-07-2019, 08:59 AM	#63
AnthonyG Senior Member Join Date: May 2013 Location: Pa. Posts: 2,163	Re: Spark Plug Protrusion into Head? I see a Champion spark plug that has a 14mm thread 5/8” reach on Summit Racing site. Posted as Racing Spark plug but looks midrange for Heat, thoughts? https://www.summitracing.com/parts/cpn-1001/ __________________ Nomad