Quote:
Originally Posted by Alan Roehrich
The RC12YC is not nearly so commonly available as it once was, and for some reason, many parts stores do not stock Champion, or many Champion part numbers, any more.
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I'm not familiar with the racing version, but RC12YC's are everywhere, I agree with jcw31.
It's a very common plug in many Briggs and Stratton and Kohler lawn tractor engines.
A quick Google shows many sources:
https://www.google.com/search?client...UTF-8&oe=UTF-8