PurpleBeeper
Well-Known Member
I've always had good luck with Champion plugs. I went to install a new set of plugs (actually old un-used plugs I had in my garage).
I noticed I have 4 plugs that are Champion RS12YC and 4 plugs that are RJ12YC. What is the difference?
I noticed I have 4 plugs that are Champion RS12YC and 4 plugs that are RJ12YC. What is the difference?