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wrndln · 01-24-2022, 04:14 PM

Original 3X plugs sell for a lot of $$$ if they are in excellent condition. These original restored plugs are probably what you noticed on eBay. They are necessary for fine point judging, so as not to loose any points. They are quite rare. They have the rounded 3, verses the newer 3X with the flat part of the 3 on the upper part of them. There are a couple of subtle other differences between the old original plugs and the newer ones available now. Newer 3X plugs with the flat 3, are normally about $25 per plug.

01-24-2022, 04:14 PM	#5
wrndln Senior Member Join Date: May 2010 Location: Lakeville, MN Posts: 5,297	Re: spark plug prices........ Original 3X plugs sell for a lot of $$$ if they are in excellent condition. These original restored plugs are probably what you noticed on eBay. They are necessary for fine point judging, so as not to loose any points. They are quite rare. They have the rounded 3, verses the newer 3X with the flat part of the 3 on the upper part of them. There are a couple of subtle other differences between the old original plugs and the newer ones available now. Newer 3X plugs with the flat 3, are normally about $25 per plug.