Thread: Good Spark Plug for a Brumfield 7 to 1 Head
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Old 05-06-2020, 10:04 AM   #4
duke36
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Join Date: Jun 2015
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Default Re: Good Spark Plug for a Brumfield 7 to 1 Head
I've had good success with W18's (Current #518) in a BF 5.9 head
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