Ngk b2lm
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.
Champion Spark Plug Co. is currently owned by Federal-Mogul.
This plug is the Champion RCJ7Y.
Champion RCJ6Y
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
ngk Bm6a its the same plug
GAP .030"
Champion RDZ4H
Champion 3071
The correct spark plug is a Champion RCJ8Y.