How to Select and Service Spark Plugs
This spark plug is useless in almost any application except wherenitromethane is the fuel of choice. The retracted-gap spark plug is anall-out race spark plug designed for applications where there is limitedphysical clearance between the pistons and/or valves. It's primarilyintended for use on supercharged, highly modified and/or nitro-poweredapplications. The protection against fouling is substantially limited. Bottom line? Don't use one in your Corvette. It won't help.
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