Albert Champion! He was my great great uncle!
Champion Spark Plug Co. is currently owned by Federal-Mogul.
Champion RCJ6Y
This plug is the Champion RCJ7Y.
A sp-34 spark plug to a Champion plug is a small engine spark plug. They can be used for lawnmowers and weed eaters among other things.
Champion Spark Plug QC12YC
Champion J6C
If you damaged a Champion RJ19HX spark plug, then you can indeed replace and substitute that with a Champion RJ19LM spark plug due to the similarity in their sizes.
ngk Bm6a its the same plug
GAP .030"
Champion RDZ4H
Champion 3071