Hi, I am a professional certified mechanic, with an engineering background, and 35+ years experience. I will do my best to assist you. Also keep in mind I don't know if you are a pro or a novice, so feel free to add any additional info at any time.
The non resistor equivalent for the Champion RJ19LM is a J19LM. The Bosch plug USR4AC doesn't have a Bosch equivalent in non resistor, but it crosses over to an NGK CMR6H, which is a resistor plug, but there is a non resistor version of it, the NGK CM6H is what you need if you want to get into a non resistor plug. The NGK BPM8Y is not a resistor plug. Go over all of this and if you have any more questions at all, I am here to help. Good luck with it, have a great day, and Thanks for using Just Answer.
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So we have the plugs below
Champion RJ19LM -
NGK BPM8Y is already a non resistor type plug
The NGK CM6H - I cannot find this plug anywhere. When I was asking the question, I mean of course plugs I can go out and buy. Do you know of an online source to purchase that plug?
Is there another cross over to the NGK CM6H that we can use that is maybe more readily available?
Yes you have it all right they cross over just like I listed above, let me look for a source for the NGK CM6H I will be back with you ASAP
Great thank you
That is a tough number to find, I found some in Japan, that ought to be good for a late night laugh. NGK has changed part numbers a lot, and they have so many series of plugs they dont make it easy. Anyway there is an NGK plug it is the NGK 3365, they are pretty easy to find. It is a non resistor equivalent for the NGK CMR6H, so search for a NGK 3365, they came up all over the place when I searched.
Excellent, thank you very much. Yes I discovered that too, they cannot just agree on a standard and focus on making a good product, they have to make things more difficult than it should be. IN order to pay you, do I just click the happy face below? Nice that they dumbed this down so much, it actually made it harder for me to figure out how to pay the expert.